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2.51ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6545165280

Certificate GIA 6545165280

Diamond specifications and retailer prices

From $27,741 SGD
$21,700 USD
As of October 31, 2026
Save $16,520 SGD (37%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $44,262 SGD 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6545165280. Listed at 7 retailers as of October 29, 2026, with prices from $27,741 to $44,262, a $16,520 spread on the same certified stone. MOH London lists it at $44,262. 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
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6545165280
Dimensions8.64 × 8.58 × 5.46 mm
L/W Ratio1.01
Top View
8.64 mm8.58 mm2.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545165280
Side View
Table 56.0%Crown 36°Girdle: THN-THNPavilion 41.2°Culet: NoneDepth 63.4%

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 31
Current: $44,262 SGD|Low: $27,741 SGD|High: $46,744 SGD|Avg: $34,926 SGD|-5.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 6$27,741 SGD
Retailer 5$28,268 SGD
Retailer 10$30,269 SGD
Retailer 3$32,613 SGD
Retailer 4$32,672 SGD
Retailer 9$33,292 SGD
Retailer 7$33,709 SGD
Retailer 2$38,900 SGD
Retailer 8$39,935 SGD
MOH London$44,262 SGD

28 data points across 10 retailers

7 retailers$27,741 SGD to $44,262 SGD

A
Cheapest Retailer
-
$27,741 SGD
$21,700 USD
A
Retailer 2
-
$28,268 SGD
$22,112 USD
View
B+
Retailer 3
-
$32,613 SGD
£20,087 GBP
View
Retailer 4
-
$32,672 SGD
$25,557 USD
View
Price last confirmed 8 days ago
Retailer 5
-
$33,709 SGD
$26,368 USD
View
Price last confirmed 7 days ago
B
Retailer 6
-
$39,935 SGD
$31,238 USD
View
Most Expensive
B
MOH London
0872B4462 · Oct 29
$44,262 SGD
£27,262 GBP
View
6 more retailers have this diamond
Prices start from $27,741 SGDSave up to $16,520 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
$27,741 SGD