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Radiant|Natural|GIA

2.51ct H SI2 Radiant Natural Diamond

ID • H/SI2 • GIA 1435868522

Certificate GIA 1435868522

Diamond specifications and retailer prices

From HK$98,779 HKD
£9,914 GBP
As of November 1, 2026
Save HK$44,303 HKD (31%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$143,082 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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 1435868522. Listed at 6 retailers as of October 30, 2026, with prices from HK$98,779 to HK$143,082, a HK$44,303 spread on the same certified stone. NZ Jewellers lists it at HK$143,082. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.23°
Pavilion angle31.23°
OriginNatural
Grading LabGIA
CertificateGIA 1435868522
Dimensions8.69 × 6.80 × 4.54 mm
L/W Ratio1.28
Girdle conditionSlightly Thick
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
8.69 mm6.80 mm2.51 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1435868522
Side View
Table 67.0%Crown 47.23°Girdle: MED-STKPavilion 31.23°Culet: NoneDepth 66.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: HK$143,082 HKD|Low: HK$98,742 HKD|High: HK$149,225 HKD|Avg: HK$112,989 HKD|-4.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 5HK$98,779 HKD
Retailer 8HK$101,076 HKD
Retailer 3HK$101,327 HKD
Retailer 7HK$102,182 HKD
Retailer 9HK$102,494 HKD
Retailer 6HK$102,661 HKD
Retailer 11HK$103,014 HKD
Retailer 12HK$107,371 HKD
Retailer 4HK$111,218 HKD
Retailer 10HK$133,075 HKD
Retailer 2HK$134,076 HKD
NZ JewellersHK$143,082 HKD

30 data points across 12 retailers

6 retailersHK$98,779 HKD to HK$143,082 HKD

A
Cheapest Retailer
-
HK$98,779 HKD
£9,914 GBP
A
Retailer 2
-
HK$101,076 HKD
$12,883 USD
View
A
Retailer 3
-
HK$102,182 HKD
$13,024 USD
View
A
Retailer 4
-
HK$102,661 HKD
$13,085 USD
View
A
Retailer 5
-
HK$134,076 HKD
£13,456 GBP
View
Most Expensive
A
NZ Jewellers
1b3611f2-f6e1-4370-a6bf-9ffa9a53cd55 · Oct 30
HK$143,082 HKD
$18,237 USD
View
5 more retailers have this diamond
Prices start from HK$98,779 HKDSave up to HK$44,303 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.

A
2.51ct Radiant
HK$98,779 HKD