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2.51ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6535368098

Certificate GIA 6535368098

Diamond specifications and retailer prices

From $28,483 SGD
$22,280 USD
As of November 1, 2026
Save $22,475 SGD (44%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $50,957 SGD at MOH London · As of November 1, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6535368098. Listed at 13 retailers as of November 1, 2026, with prices from $28,483 to $50,957, a $22,475 spread on the same certified stone. MOH London lists it at $50,957. 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
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6535368098
Dimensions8.63 × 8.59 × 5.44 mm
L/W Ratio1.00
Top View
8.63 mm8.59 mm2.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6535368098
Side View
Table 56.0%Crown 36.5°Girdle: THN-STKPavilion 41°Culet: NoneDepth 63.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $50,957 SGD|Low: $28,483 SGD|High: $51,571 SGD|Avg: $36,034 SGD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 4$28,483 SGD
Retailer 5$31,267 SGD
Retailer 2$33,246 SGD
Retailer 7$33,988 SGD
Retailer 6$34,259 SGD
Retailer 8$35,346 SGD
Retailer 9$36,705 SGD
Retailer 3$38,456 SGD
MOH London$50,957 SGD

40 data points across 9 retailers

13 retailers$28,483 SGD to $50,957 SGD

B+
Cheapest Retailer
-
$28,483 SGD
$22,280 USD
B+
Retailer 2
-
$30,001 SGD
$23,468 USD
View
B
Retailer 3
-
$31,267 SGD
$24,458 USD
View
Final sale: no returns
B+
Retailer 4
-
$33,246 SGD
£20,477 GBP
View
B+
Retailer 5
-
$33,988 SGD
$26,586 USD
View
B
Retailer 6
-
$34,259 SGD
$26,798 USD
View
B
Retailer 7
-
$34,964 SGD
$27,350 USD
View
B
Retailer 8
-
$34,964 SGD
$27,350 USD
View
B
Retailer 9
-
$35,346 SGD
$27,649 USD
View
B
Retailer 10
-
$36,128 SGD
$28,260 USD
View
B
Retailer 11
-
$36,705 SGD
$28,712 USD
View
B
Retailer 12
-
$38,456 SGD
€28,649 EUR
View
Most Expensive
B
MOH London
2C311C6B1 · Nov 1
$50,957 SGD
£31,386 GBP
View
12 more retailers have this diamond
Prices start from $28,483 SGDSave up to $22,475 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.

B+
2.51ct Round
$28,483 SGD