Diamond
The Diamond renders two Hebrew words for very hard stones: yahalom, one of the twelve stones on the high priest's breastplate (Exodus 28:18), and shamir, a byword for unyielding hardness. God made Ezekiel's forehead like a diamond, harder than flint, so he could face a rebellious house (Ezekiel 3:9). The precise mineral denoted by yahalom is uncertain; its translation as diamond does not establish that it was the mineral now known by that name.
The same hardness describes sin: the sin of Judah is engraved “with a diamond point” on the tablet of their heart (Jeremiah 17:1), and the people made their hearts like diamond so as not to hear the Law (Zechariah 7:12). Hearts like that need the new heart God promises.
1. Etymology and Roots in the Old Testament
In the Old Testament, the term Diamond does not appear with the same lexical clarity we have today, but it is represented by Hebrew words that denote precious stones of great hardness and value. The two main ones are yahalom (יַהֲלֹם) and shamir (שָׁמִיר). The word yahalom is mentioned in Exodus 28:18 and 39:11 as one of the twelve precious stones set in the high priest's breastplate, representing one of the twelve tribes of Israel. Sometimes translated as onyx, beryl, or diamond, its inclusion in the breastplate symbolizes the preciousness and uniqueness of each tribe before God, carried on the heart of the high priest.
The presence of the yahalom in the breastplate suggests the idea that God's people are a precious treasure, chosen and guarded by Him. Each stone, with its unique color and brilliance, represents the individuality and inestimable value that each believer possesses in the eyes of the Lord. Just as the Diamond reflects light, the tribes of Israel, and by extension the Church, are called to reflect the glory and light of God in the world, according to Isaiah 60:1.
The word shamir, however, is more consistently associated with the idea of extreme hardness, often translated as diamond, adamant, or flint. In Ezekiel 3:9, God tells Ezekiel: "I have made your forehead like a diamond, harder than flint do not fear them or be dismayed by them, though they are a rebellious house." Here, the Diamond is used metaphorically to describe the resilience and unwavering determination that God would grant the prophet to face an obstinate people.
This metaphor of hardness is recurrent. In Jeremiah 17:1, the gravity of Judah's sin is described: "The sin of Judah is written with an iron pen, with a diamond point [shamir] it is engraved on the tablet of their heart and on the horns of your altars." The Diamond here is not a positive symbol, but illustrates the depth and permanence of sin, so ingrained that only something as hard as a diamond could engrave it, suggesting the difficulty of its removal without radical divine intervention.
Similarly, Zechariah 7:12 describes the people's heart as "diamond" (shamir), refusing to hear the Law and the words of the prophets. The hardness of the Diamond, in this context, represents obstinacy, rebellion, and resistance to the voice of God. Thus, in the Old Testament, the Diamond, or its corresponding words, evokes both the preciousness of God's people and the hardness of human rebellion, and the unwavering firmness of the divine message and its messengers.
The progressive development of revelation, even with a term like Diamond, points to the need for an inner transformation. The hardness of the human heart, engraved by sin, cries out for a new heart and a new spirit, a promise that would culminate in the new covenant. The preciousness of the people, in turn, would be fully revealed in election and redemption in Christ.
2. Diamond in the New Testament and its Meaning
Revelation 21:19-20 describes the foundations of the New Jerusalem adorned with precious stones. The passage does not explicitly name diamonds in the KJV, so it should not be treated as a direct mention of this stone. The precious stones portray the glory and splendor of the city of God.
Despite the absence of a specific term, the intrinsic qualities of the Diamond — its purity, inestimable value, hardness, and capacity to reflect light — resonate with crucial theological concepts of the New Testament. The purity of the Diamond can be associated with the holiness and perfection of Christ. He is the spotless Lamb, without sin, who offered himself to remove the sins of the world (1 Peter 1:19 Hebrews 4:15). His life and work are the standard of purity that the Church is called to emulate.
The inestimable value of the Diamond reflects the preciousness of salvation in Christ and of Christ himself. Jesus is the "pearl of great price" (Matthew 13:45-46), for which a man sells all he has to possess it. The redemption acquired by the blood of Christ is of infinite value, costing the life of the Son of God, and is the most valuable treasure a believer can possess. This is the basis of sola gratia and sola fide, where the value is not in us, but in what Christ did.
The Diamond's ability to reflect light is a powerful symbol of the person of Christ as the "Light of the world" (John 8:12) and of the glory of God. Just as a diamond refracts light into a spectrum of colors, Christ, the incarnate Word, fully reveals the glory of God, as in John 1:14: "And the Word became flesh and dwelt among us, full of grace and truth we have seen his glory, glory as of the only begotten of the Father."
Believers, in turn, are called to be "children of light" (Ephesians 5:8), reflecting the light of Christ in a world of darkness, like polished Diamonds that refract divine glory. The hardness and durability of the Diamond can also symbolize the immutability of God's promises and the firmness of the new covenant in Christ (Hebrews 13:8). While the old covenant was written on tablets of stone, the new is engraved on hearts, but its validity and permanence are as unshakeable as a Diamond.
There is, therefore, a clear continuity and an elevation of the Old Testament symbolism to the New. The preciousness of God's people in the OT culminates in the Church, the body of Christ, which is the Lord's precious possession. The hardness of the human heart, which in the OT was a barrier, is now overcome by the transforming power of the Holy Spirit, who grants a heart of flesh. And the firmness of God's Word is manifested in the person of Jesus Christ, the unshakeable rock of our salvation.
3. Diamond in Pauline Theology: The Basis of Salvation
In Pauline theology, the symbolism of the Diamond, though not explicitly named, can be deeply connected to fundamental doctrines of salvation (ordo salutis). Paul frequently contrasts the hardness of the human heart with the transforming work of God. In Romans 2:5, he speaks of the "hardness and impenitence of your heart", an image that echoes the shamir of the Old Testament. This hardness prevents man from submitting to the law of God and recognizing his need for salvation.
It is against this hardness that the "diamond point" of God's Word and the Holy Spirit acts, not to engrave more sin, but to break resistance and prepare the heart for the seed of the gospel. The preaching of the gospel, though foolishness to some, is the power of God to those who are being saved (1 Corinthians 1:18), capable of penetrating the hardest of resistances.
Salvation, in Pauline theology, is a gift of inestimable value, acquired not by works of the Law or human merit, but by God's grace through faith in Christ Jesus (Ephesians 2:8-9). This gift is as precious as the rarest of Diamonds, and its value cannot be measured by any human effort. Justification, a forensic act of God that declares the sinner righteous based on the work of Christ, is the manifestation of the incomparable richness of divine grace.
The process of sanctification, the continuous journey of conformity to the image of Christ, can be metaphorically compared to the polishing of a raw Diamond. Just as a diamond is cut and polished to reveal its maximum brilliance and beauty, believers are shaped by the Holy Spirit through trials and the Word. Paul speaks of being transformed from glory to glory (2 Corinthians 3:18), a process that removes imperfections and reveals the beauty of Christ in us.
The perseverance of the saints also finds an echo in the symbolism of the Diamond. The hardness of diamond can illustrate steadfastness, but the stone can fracture; this analogy does not establish the security of salvation. Once God begins a good work, He will complete it (Philippians 1:6). Divine election is as firm and unshakeable as a Diamond, and God's grace is sufficient to sustain the believer until final glorification, when we will be perfectly conformed to the image of Christ and shine like Diamonds in the presence of God (Romans 8:29-30).
In summary, the Diamond in Pauline theology, through its qualities, symbolizes the hardness of the heart that needs to be broken by grace, the inestimable value of salvation in Christ that justifies the sinner, the process of sanctification that refines the believer, and the security of glorification that guarantees the perseverance of the saints. It is a vivid reminder of God's sovereignty and the efficacy of His redemptive work.
4. Aspects and Types of Diamond
When considering the Diamond as a theological concept derived from its properties, we can identify different "facets" or manifestations that illuminate various doctrines. An important distinction can be made between the Diamond as a symbol of divine attributes and as a symbol of human experience and God's work in the believer.
Regarding divine attributes, the Diamond symbolizes the immutability of God. Just as a diamond is unalterable in its essence, God is immutable in His character, His promises, and His plans (Malachi 3:6 James 1:17). His truth is as solid and unbreakable as a diamond, and His justice is a firm rock upon which the entire universe rests. God's holiness, pure and without blemish, is also reflected in the clarity and purity of a flawless diamond.
In relation to the person and work of Christ, the Diamond embodies the preciousness of Christ as Savior and Lord. He is the "treasure hidden in the field" and the "pearl of great price" (Matthew 13:44-46), the possession of which justifies the renunciation of all else. His sinless purity and His capacity to be the Light of the world (John 8:12) also align with the qualities of a cut diamond that reflects divine glory.
For the believer's experience, the Diamond can symbolize the hardness of the sinful heart that needs to be transformed, but also the resilience and perseverance that God grants. The believer is called to develop a faith and conviction as firm as a diamond (1 Peter 1:7). The process of sanctification, as already mentioned, is like the cutting of a diamond, where imperfections are removed to reveal the inner beauty and the brilliance of the image of Christ.
The Church, the body of Christ, can be seen as a collection of precious Diamonds, individually cut and collectively reflecting the glory of God. 1 Peter 2:5 speaks of believers as "living stones" being built up as a spiritual house. Together, believers form a structure of inestimable value in God's eyes, a temple of light and glory. Theologians like John Calvin emphasized God's sovereignty in election and the perseverance of the saints, echoing the idea that God's work is as unbreakable and enduring as a Diamond.
It is crucial to avoid doctrinal errors, such as idolatry of the physical object or the attribution of mystical power to the Diamond. Symbolism must always point to spiritual truths and not become an end in itself. Scripture, the final authority of faith (sola Scriptura), warns against any form of superstition or deviation from the worship due to God alone. The Diamond is a metaphor, a visual aid to understand the greatness of God and the depth of His work, and never a substitute for the person and work of Christ.
5. Diamond and the Practical Life of the Believer
The symbolic truths extracted from the Diamond have profound implications for the practical life of the believer, shaping their piety, worship, and service. Firstly, the hardness and resilience of the Diamond exhort us to perseverance in faith. The Christian life is not easy it is marked by trials and tribulations that seek to wear down faith. However, the believer is called to be firm and unshakeable, like a diamond, trusting in God's promises (James 1:2-4).
This resilience is manifested in radical obedience. Just as the shamir engraved sin, the Word of God, which is "sharper than any two-edged sword" (Hebrews 4:12), must engrave God's will on our hearts, leading us to unquestioning obedience. It is not an obedience based on merit, but a response of love and gratitude for the undeserved grace received.
The purity and light-reflecting capacity of the Diamond call us to a life of holiness and witness. As believers, we are "children of light" (Ephesians 5:8), and our conduct must reflect the glory of Christ. Jesus exhorted His disciples to let their light shine before men (Matthew 5:16), so that they may see their good works and glorify their Father in heaven. This implies a life of integrity, love, and service that points to Christ.
The inestimable value of the Diamond reminds us of the preciousness of the gospel and our salvation. This understanding must fuel our worship, leading us to value Christ above all things. True worship is a response to the greatness and infinite value of God revealed in Christ. It compels us to live a life of gratitude, dedication, and sacrificial service, recognizing that we were bought with a high price (1 Corinthians 6:20).
For the contemporary church, the symbolism of the Diamond implies a call to unity and mutual care. Each believer is a precious diamond in the eyes of God, with intrinsic value and a unique purpose. The church is the collection of these living stones, and each member must be valued, edified, and encouraged to shine for God's glory. Dr. Martyn Lloyd-Jones frequently emphasized the need for the church to reflect the purity and glory of Christ.
In pastoral exhortation, the believer is called to be a spiritual Diamond: hard against sin, but flexible in the hands of the divine Cutter inestimable in Christ, but humble in oneself reflecting the light of Christ, but never seeking one's own glory. The balance between the doctrine of God's sovereignty (which makes us precious and secure) and human responsibility (to live in a way worthy of this calling) is crucial. The Diamond reminds us that we are works of God's grace, and we must live in response to that grace, persevering, sanctifying ourselves, and shining for the glory of our Lord and Savior Jesus Christ.