CaratHunter
Plans
Round|Natural|GIA

2.51ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6535246891

Certificate GIA 6535246891

Diamond specifications and retailer prices

From $28,710 SGD
$22,458 USD
As of November 1, 2026
Save $20,172 SGD (41%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $48,882 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6535246891. Listed at 22 retailers as of October 26, 2026, with prices from $28,710 to $48,882, a $20,172 spread on the same certified stone. MOH London lists it at $48,882. 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
SymmetryVery Good
FluorescenceNone
Crown angle32°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6535246891
Dimensions8.94 × 8.83 × 5.34 mm
L/W Ratio1.01
Top View
8.94 mm8.83 mm2.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6535246891
Side View
Table 55.0%Crown 32°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 60.1%

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: Nov 1
Current: $48,882 SGD|Low: $27,207 SGD|High: $49,405 SGD|Avg: $33,871 SGD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 3$27,207 SGD
Retailer 6$27,524 SGD
Retailer 11$28,736 SGD
Retailer 10$30,441 SGD
Retailer 9$32,200 SGD
Retailer 2$34,006 SGD
Retailer 8$35,974 SGD
Retailer 5$36,076 SGD
Retailer 4$36,467 SGD
Retailer 7$37,635 SGD
MOH London$48,882 SGD

40 data points across 11 retailers

22 retailers$28,710 SGD to $48,882 SGD

Retailer 1
-
$27,524 SGD
$21,530 USD
Price last confirmed 8 days ago
A
Retailer 2
-
$28,710 SGD
$22,458 USD
View
A
Retailer 3
-
$28,736 SGD
$22,478 USD
View
A
Retailer 4
-
$28,981 SGD
$22,670 USD
View
A
Retailer 5
-
$29,415 SGD
CA$31,958 CAD
View
B+
Retailer 6
-
$30,441 SGD
$23,812 USD
View
Final sale: no returns
Retailer 7
-
$31,258 SGD
$24,451 USD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$32,200 SGD
$25,188 USD
View
B+
Retailer 9
-
$33,328 SGD
$26,070 USD
View
B+
Retailer 10
-
$33,328 SGD
$26,070 USD
View
Retailer 11
-
$33,410 SGD
$26,134 USD
View
Price last confirmed 7 days ago
Retailer 12
-
$33,862 SGD
$26,488 USD
View
Price last confirmed 7 days ago
B+
Retailer 13
-
$34,006 SGD
£20,945 GBP
View
Retailer 14
-
$34,440 SGD
$26,940 USD
View
Price last confirmed 7 days ago
B+
Retailer 15
-
$35,165 SGD
$27,507 USD
View
B+
Retailer 16
-
$35,974 SGD
$28,140 USD
View
B+
Retailer 17
-
$36,076 SGD
£22,220 GBP
View
B+
Retailer 18
-
$36,467 SGD
€27,167 EUR
View
B+
Retailer 19
-
$36,478 SGD
$28,534 USD
View
B
Retailer 20
-
$37,635 SGD
$29,439 USD
View
B
Retailer 21
-
$44,282 SGD
$34,639 USD
View
Most Expensive
B
MOH London
97D4BD44F · Oct 26
$48,882 SGD
£30,108 GBP
View
21 more retailers have this diamond
Prices start from $28,710 SGDSave up to $20,172 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
$28,710 SGD