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Radiant|Natural|GIA

2.51ct H SI2 Radiant Natural Diamond

EX • H/SI2 • GIA 1429328624

Certificate GIA 1429328624

Diamond specifications and retailer prices

From $21,169 USD
As of October 30, 2026
Save $14,441 USD (41%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $35,610 USD at MOH London · As of November 1, 2026
View at MOH London

About this 2.51ct natural radiant diamond

This 2.51ct natural radiant sits in the two to three carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1429328624. Listed at 9 retailers as of October 30, 2026, with prices from $21,169 to $35,610, a $14,441 spread on the same certified stone. MOH London lists it at $35,610. 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
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1429328624
Dimensions8.79 × 6.65 × 4.60 mm
L/W Ratio1.32
Culet sizeNone
Cert comments
Additional clouds are not shown. Pinpoints are not shown.
Top View
8.79 mm6.65 mm2.51 ctH / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1429328624
Side View
Table 64.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.1%

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: Oct 30
Current: $35,610 USD|Low: $21,169 USD|High: $36,039 USD|Avg: $26,931 USD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 9$21,169 USD
Retailer 3$23,399 USD
Retailer 5$23,941 USD
Retailer 7$24,701 USD
Retailer 6$25,651 USD
Retailer 2$26,234 USD
Retailer 4$27,665 USD
Retailer 8$32,301 USD
MOH London$35,610 USD

31 data points across 9 retailers

9 retailers$21,169 USD to $35,610 USD

B+
Cheapest Retailer
-
$21,169 USD
B+
Retailer 2
-
$23,399 USD
£18,425 GBP
View
B+
Retailer 3
-
$23,941 USD
View
B+
Retailer 4
-
$24,701 USD
View
B
Retailer 5
-
$25,651 USD
View
B
Retailer 6
-
$26,234 USD
£20,657 GBP
View
B
Retailer 7
-
$27,665 USD
€26,348 EUR
View
B
Retailer 8
-
$32,301 USD
View
Most Expensive
B
MOH London
A0B044684 · Nov 1
$35,610 USD
£28,039 GBP
View
8 more retailers have this diamond
Prices start from $21,169 USDSave up to $14,441 USD

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 Radiant
$21,169 USD