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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 HK$166,557 HKD
$21,228 USD
As of November 2, 2026
Save HK$43,117 HKD (21%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$209,674 HKD at 77 Diamonds · As of November 2, 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 November 2, 2026, with prices from HK$166,557 to HK$209,674, a HK$43,117 spread on the same certified stone. 77 Diamonds lists it at HK$209,674. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: HK$209,674 HKD|Low: HK$166,557 HKD|High: HK$211,797 HKD|Avg: HK$185,761 HKD|+1.5%
77 Diamonds
Retailer 2
Retailer 3
November 2, 2026
Retailer 3HK$166,557 HKD
Retailer 2HK$177,328 HKD
77 DiamondsHK$209,674 HKD

46 data points across 3 retailers

7 retailersHK$166,557 HKD to HK$209,674 HKD

B+
Cheapest Retailer
-
HK$166,557 HKD
$21,228 USD
B+
Retailer 2
-
HK$177,118 HKD
$22,574 USD
View
B+
Retailer 3
-
HK$177,328 HKD
₹2,152,457 INR
View
B+
Retailer 4
-
HK$177,414 HKD
$22,612 USD
View
B+
Retailer 5
-
HK$178,844 HKD
$22,794 USD
View
B+
Retailer 6
-
HK$181,483 HKD
A$35,585 AUD
View
Most Expensive
B
77 Diamonds
RADMBPEYCAWNA · Nov 2
HK$209,674 HKD
£21,042 GBP
View
6 more retailers have this diamond
Prices start from HK$166,557 HKDSave up to HK$43,117 HKD

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
HK$166,557 HKD