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Radiant|Natural|GIA

1.51ct D SI2 Radiant Natural Diamond

ID • D/SI2 • GIA 1232708920

Certificate GIA 1232708920

Diamond specifications and retailer prices

From HK$49,839 HKD
£5,002 GBP
As of November 1, 2026
Save HK$38,621 HKD (44%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$88,460 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1232708920. Listed at 6 retailers as of October 30, 2026, with prices from HK$49,839 to HK$88,460, a HK$38,621 spread on the same certified stone. NZ Jewellers lists it at HK$88,460. 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

1.51
Carat
D
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle44.73°
Pavilion angle30.36°
OriginNatural
Grading LabGIA
CertificateGIA 1232708920
Dimensions7.48 × 5.58 × 3.87 mm
L/W Ratio1.34
Girdle conditionVery Thick
Key to symbols
Crystal, Feather, Needle
Top View
7.48 mm5.58 mm1.51 ctD / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1232708920
Side View
Table 65.0%Crown 44.73°Girdle: Very ThickPavilion 30.36°Culet: NoneDepth 69.4%

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$88,460 HKD|Low: HK$49,839 HKD|High: HK$89,810 HKD|Avg: HK$61,241 HKD|-1.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 2HK$49,839 HKD
Retailer 9HK$52,629 HKD
Retailer 4HK$52,888 HKD
Retailer 5HK$53,523 HKD
Retailer 6HK$53,704 HKD
Retailer 7HK$54,826 HKD
Retailer 8HK$57,622 HKD
Retailer 3HK$77,929 HKD
NZ JewellersHK$88,460 HKD

29 data points across 9 retailers

6 retailersHK$49,839 HKD to HK$88,460 HKD

A
Cheapest Retailer
-
HK$49,839 HKD
£5,002 GBP
A
Retailer 2
-
HK$52,888 HKD
$6,741 USD
View
A
Retailer 3
-
HK$53,523 HKD
$6,822 USD
View
A
Retailer 4
-
HK$53,704 HKD
$6,845 USD
View
B+
Retailer 5
-
HK$77,929 HKD
£7,821 GBP
View
Most Expensive
B
NZ Jewellers
94c24dd1-7952-4c3b-bbc0-61c64eb068a7 · Oct 30
HK$88,460 HKD
$11,275 USD
View
5 more retailers have this diamond
Prices start from HK$49,839 HKDSave up to HK$38,621 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
1.51ct Radiant
HK$49,839 HKD