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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 $37,560 NZD
$21,169 USD
As of November 1, 2026
Save $25,622 NZD (41%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $63,182 NZD 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 November 1, 2026, with prices from $37,560 to $63,182, a $25,622 spread on the same certified stone. MOH London lists it at $63,182. 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
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: Nov 1
Current: $63,182 NZD|Low: $37,560 NZD|High: $63,944 NZD|Avg: $47,803 NZD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 9$37,560 NZD
Retailer 3$41,517 NZD
Retailer 5$42,479 NZD
Retailer 7$43,827 NZD
Retailer 6$45,513 NZD
Retailer 4$46,548 NZD
Retailer 2$49,074 NZD
Retailer 8$57,312 NZD
MOH London$63,182 NZD

31 data points across 9 retailers

9 retailers$37,560 NZD to $63,182 NZD

B+
Cheapest Retailer
-
$37,560 NZD
$21,169 USD
B+
Retailer 2
-
$41,517 NZD
£18,425 GBP
View
B+
Retailer 3
-
$42,479 NZD
$23,941 USD
View
B+
Retailer 4
-
$43,827 NZD
$24,701 USD
View
B
Retailer 5
-
$45,513 NZD
$25,651 USD
View
B
Retailer 6
-
$46,548 NZD
£20,657 GBP
View
B
Retailer 7
-
$49,074 NZD
€26,341 EUR
View
B
Retailer 8
-
$57,312 NZD
$32,301 USD
View
Most Expensive
B
MOH London
A0B044684 · Nov 1
$63,182 NZD
£28,039 GBP
View
8 more retailers have this diamond
Prices start from $37,560 NZDSave up to $25,622 NZD

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
$37,560 NZD