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Round|Natural|GIA

2.51ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 1523286056

Certificate GIA 1523286056

Diamond specifications and retailer prices

From $24,897 SGD
$19,475 USD
As of October 25, 2026
Save $18,738 SGD (43%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $43,635 SGD at MOH London · As of October 26, 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1523286056. Listed at 16 retailers as of October 25, 2026, with prices from $24,897 to $43,635, a $18,738 spread on the same certified stone. MOH London lists it at $43,635. 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
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle32°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 1523286056
Dimensions8.80 × 8.74 × 5.38 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Cert comments
Additional twinning wisps, pinpoints and surface graining are not shown.
Top View
8.80 mm8.74 mm2.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1523286056
Side View
Table 59.0%Crown 32°Girdle: THN-STKPavilion 41.8°Culet: NoneDepth 61.4%

Caratlytics Score

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

Price History

Last verified: Oct 25
Current: $43,635 SGD|Low: $24,897 SGD|High: $44,101 SGD|Avg: $30,883 SGD|-0.9%
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
Retailer 14
Retailer 15
Retailer 16
October 31, 2026
Retailer 11$24,897 SGD
Retailer 6$25,553 SGD
Retailer 14$25,651 SGD
Retailer 5$27,902 SGD
Retailer 2$28,128 SGD
Retailer 4$29,194 SGD
Retailer 15$29,297 SGD
Retailer 3$30,094 SGD
Retailer 12$30,094 SGD
Retailer 7$30,228 SGD
Retailer 13$31,091 SGD
Retailer 16$31,390 SGD
Retailer 9$32,200 SGD
Retailer 10$32,753 SGD
Retailer 8$39,528 SGD
MOH London$43,635 SGD

38 data points across 16 retailers

16 retailers$24,897 SGD to $43,635 SGD

A
Cheapest Retailer
-
$24,897 SGD
$19,475 USD
A
Retailer 2
-
$25,553 SGD
$19,988 USD
View
A
Retailer 3
-
$25,651 SGD
$20,065 USD
View
A
Retailer 4
-
$27,902 SGD
$21,826 USD
View
A
Retailer 5
-
$28,128 SGD
£17,325 GBP
View
B+
Retailer 6
-
$29,194 SGD
$22,836 USD
View
B+
Retailer 7
-
$29,297 SGD
$22,917 USD
View
B+
Retailer 8
-
$30,094 SGD
$23,540 USD
View
B+
Retailer 9
-
$30,094 SGD
$23,540 USD
View
B+
Retailer 10
-
$30,228 SGD
$23,645 USD
View
B+
Retailer 11
-
$31,091 SGD
$24,320 USD
View
B+
Retailer 12
-
$31,390 SGD
$24,554 USD
View
B+
Retailer 13
-
$32,200 SGD
£19,833 GBP
View
B+
Retailer 14
-
$32,753 SGD
€24,400 EUR
View
B
Retailer 15
-
$39,528 SGD
$30,920 USD
View
Most Expensive
B
MOH London
192A2BDAA · Oct 26
$43,635 SGD
£26,876 GBP
View
15 more retailers have this diamond
Prices start from $24,897 SGDSave up to $18,738 SGD

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
$24,897 SGD