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Radiant|Natural|GIA

2.51ct H SI2 Radiant Natural Diamond

EX • H/SI2 • GIA 2225924502

Certificate GIA 2225924502

Diamond specifications and retailer prices

From $37,665 NZD
$21,228 USD
As of October 31, 2026
Save $9,750 NZD (21%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $47,415 NZD at 77 Diamonds · As of November 1, 2026
View at 77 Diamonds

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 2225924502. Listed at 7 retailers as of October 31, 2026, with prices from $37,665 to $47,415, a $9,750 spread on the same certified stone. 77 Diamonds lists it at $47,415. 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
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2225924502
Dimensions8.78 × 6.70 × 4.76 mm
L/W Ratio1.31
Top View
8.78 mm6.70 mm2.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2225924502
Side View
Table 67.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 71.2%

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 31
Current: $47,415 NZD|Low: $37,665 NZD|High: $47,895 NZD|Avg: $42,014 NZD|+1.5%
77 Diamonds
Retailer 2
Retailer 3
November 1, 2026
Retailer 3$37,665 NZD
Retailer 2$40,114 NZD
77 Diamonds$47,415 NZD

45 data points across 3 retailers

7 retailers$37,665 NZD to $47,415 NZD

B+
Cheapest Retailer
-
$37,665 NZD
$21,228 USD
B+
Retailer 2
-
$40,053 NZD
$22,574 USD
View
B+
Retailer 3
-
$40,114 NZD
₹2,153,153 INR
View
B+
Retailer 4
-
$40,120 NZD
$22,612 USD
View
B+
Retailer 5
-
$40,443 NZD
$22,794 USD
View
B+
Retailer 6
-
$41,040 NZD
A$35,585 AUD
View
Most Expensive
B
77 Diamonds
RADMBPEYCAWNA · Nov 1
$47,415 NZD
£21,042 GBP
View
6 more retailers have this diamond
Prices start from $37,665 NZDSave up to $9,750 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
$37,665 NZD