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Round|Natural|GIA

2.51ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 7552182529

Certificate GIA 7552182529

Diamond specifications and retailer prices

From $21,820 USD
As of October 30, 2026
Save $16,911 USD (44%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $38,731 USD at MOH London · As of October 29, 2026
View at MOH London

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7552182529. Listed at 27 retailers as of October 29, 2026, with prices from $21,820 to $38,731, a $16,911 spread on the same certified stone. MOH London lists it at $38,731. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.51
Carat
D
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7552182529
Dimensions8.60 × 8.66 × 5.38 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
8.60 mm8.66 mm2.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7552182529
Side View
Table 58.0%Crown 36°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $38,731 USD|Low: $21,820 USD|High: $38,731 USD|Avg: $26,922 USD|+5.3%
MOH London
Retailer 2
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Retailer 28
October 31, 2026
Retailer 5$21,820 USD
Retailer 12$22,458 USD
Retailer 6$22,659 USD
Retailer 8$22,872 USD
Retailer 13$23,600 USD
Retailer 14$23,639 USD
Retailer 26$23,825 USD
Retailer 27$23,875 USD
Retailer 25$24,667 USD
Retailer 2$24,883 USD
Retailer 21$24,910 USD
Retailer 16$25,226 USD
Retailer 7$25,413 USD
Retailer 17$25,485 USD
Retailer 28$25,901 USD
Retailer 3$26,280 USD
Retailer 20$26,280 USD
Retailer 24$26,366 USD
Retailer 18$26,723 USD
Retailer 9$27,150 USD
Retailer 22$27,289 USD
Retailer 15$27,565 USD
Retailer 10$27,751 USD
Retailer 19$29,607 USD
Retailer 4$29,702 USD
Retailer 23$29,808 USD
Retailer 11$34,946 USD
MOH London$38,731 USD

22 data points across 28 retailers

27 retailers$21,820 USD to $38,731 USD

A
Cheapest Retailer
-
$21,820 USD
A
Retailer 2
-
$22,458 USD
View
A
Retailer 3
-
$22,659 USD
View
A
Retailer 4
-
$22,872 USD
View
A
Retailer 5
-
$23,600 USD
₹2,247,661 INR
View
A
Retailer 6
-
$23,639 USD
View
Final sale: no returns
A
Retailer 7
-
$23,825 USD
View
A
Retailer 8
-
$23,875 USD
CA$33,160 CAD
View
A
Retailer 9
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$24,667 USD
View
A
Retailer 10
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$24,883 USD
£19,593 GBP
View
A
Retailer 11
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$25,226 USD
View
A
Retailer 12
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$25,413 USD
View
A
Retailer 13
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$25,485 USD
View
A
Retailer 14
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$25,901 USD
View
A
Retailer 15
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$26,280 USD
View
A
Retailer 16
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$26,280 USD
View
A
Retailer 17
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$26,366 USD
View
A
Retailer 18
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$26,723 USD
View
A
Retailer 19
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$27,150 USD
View
A
Retailer 20
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$27,289 USD
£21,488 GBP
View
B+
Retailer 21
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$27,565 USD
View
B+
Retailer 22
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$27,751 USD
View
B+
Retailer 23
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$29,607 USD
View
B+
Retailer 24
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$29,702 USD
View
B+
Retailer 25
-
$29,808 USD
€28,389 EUR
View
B
Retailer 26
-
$34,946 USD
View
Most Expensive
B
MOH London
1633CD213 · Oct 29
$38,731 USD
£30,497 GBP
View
26 more retailers have this diamond
Prices start from $21,820 USDSave up to $16,911 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
2.51ct Round
$21,820 USD