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Round|Natural|GIA

2.51ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6422459741

Certificate GIA 6422459741

Diamond specifications and retailer prices

From $35,808 SGD
$28,010 USD
As of November 1, 2026
Save $25,616 SGD (42%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $61,424 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 6422459741. Listed at 13 retailers as of November 1, 2026, with prices from $35,808 to $61,424, a $25,616 spread on the same certified stone. MOH London lists it at $61,424. 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
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6422459741
Dimensions8.71 × 8.74 × 5.38 mm
L/W Ratio1.00
Top View
8.71 mm8.74 mm2.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6422459741
Side View
Table 58.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.7%

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: $61,424 SGD|Low: $32,776 SGD|High: $62,165 SGD|Avg: $44,569 SGD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 7$35,191 SGD
Retailer 5$36,053 SGD
Retailer 6$39,283 SGD
Retailer 2$39,711 SGD
Retailer 3$47,510 SGD
Retailer 4$54,385 SGD
MOH London$61,424 SGD

39 data points across 7 retailers

13 retailers$35,808 SGD to $61,424 SGD

B+
Cheapest Retailer
-
$35,808 SGD
$28,010 USD
B+
Retailer 2
-
$36,053 SGD
$28,202 USD
View
Final sale: no returns
Retailer 3
-
$39,283 SGD
A$47,275 AUD
View
Price last confirmed 29 days ago
B
Retailer 4
-
$39,330 SGD
$30,765 USD
View
B
Retailer 5
-
$39,711 SGD
£24,459 GBP
View
B
Retailer 6
-
$39,942 SGD
$31,244 USD
View
B
Retailer 7
-
$40,969 SGD
$32,047 USD
View
B
Retailer 8
-
$41,297 SGD
$32,304 USD
View
B
Retailer 9
-
$42,608 SGD
$33,329 USD
View
B
Retailer 10
-
$44,247 SGD
$34,611 USD
View
B
Retailer 11
-
$47,510 SGD
€35,394 EUR
View
B
Retailer 12
-
$54,385 SGD
ZAR 687,262 ZAR
View
Most Expensive
B
MOH London
F205D9262 · Nov 1
$61,424 SGD
£37,833 GBP
View
12 more retailers have this diamond
Prices start from $35,808 SGDSave up to $25,616 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
$35,808 SGD