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Radiant|Natural|GIA

2.51ct G SI2 Radiant Natural Diamond

ID • G/SI2 • GIA 1513179043

Certificate GIA 1513179043

Diamond specifications and retailer prices

From $17,779 USD
As of November 1, 2026
Save $11,321 USD (39%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $29,100 USD at MOH London · As of November 1, 2026
View at MOH London

About this 2.51ct natural radiant diamond

This 2.51ct natural radiant sits in the two to three carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1513179043. Listed at 14 retailers as of November 1, 2026, with prices from $17,779 to $29,100, a $11,321 spread on the same certified stone. MOH London lists it at $29,100. 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
G
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1513179043
Dimensions8.76 × 6.48 × 4.52 mm
L/W Ratio1.35
Girdle conditionPolished
Top View
8.76 mm6.48 mm2.51 ctG / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1513179043
Side View
Table 66.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 69.7%

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: Nov 1
Current: $29,100 USD|Low: $17,668 USD|High: $32,367 USD|Avg: $22,128 USD|-10.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 10$17,668 USD
Retailer 5$17,779 USD
Retailer 6$19,378 USD
Retailer 9$19,492 USD
Retailer 7$20,399 USD
Retailer 4$20,640 USD
Retailer 11$20,640 USD
Retailer 3$21,330 USD
Retailer 8$21,910 USD
Retailer 2$22,601 USD
Retailer 12$22,605 USD
Retailer 13$26,396 USD
MOH London$29,100 USD

30 data points across 13 retailers

14 retailers$17,779 USD to $29,100 USD

Retailer 1
-
$17,668 USD
CA$24,539 CAD
Price last confirmed 10 days ago
A
Retailer 2
-
$17,779 USD
View
A
Retailer 3
-
$19,378 USD
£15,258 GBP
View
Retailer 4
-
$19,492 USD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$20,399 USD
View
Retailer 6
-
$20,640 USD
View
Price last confirmed 11 days ago
Retailer 7
-
$20,640 USD
View
Price last confirmed 11 days ago
Retailer 8
-
$21,330 USD
View
Price last confirmed 12 days ago
A
Retailer 9
-
$21,910 USD
View
A
Retailer 10
-
$22,601 USD
€21,525 EUR
View
Retailer 11
-
$22,605 USD
View
Price last confirmed 9 days ago
Retailer 12
-
$26,396 USD
View
Price last confirmed 12 days ago
Retailer 13
-
$29,010 USD
View
Price last confirmed 38 days ago
Most Expensive
B+
MOH London
AC8F37C5E · Nov 1
$29,100 USD
£22,913 GBP
View
13 more retailers have this diamond
Prices start from $17,779 USDSave up to $11,321 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 Radiant
$17,779 USD