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Radiant|Natural|GIA

1.51ct H SI2 Radiant Natural Diamond

EX • H/SI2 • GIA 1555953779

Certificate GIA 1555953779

Diamond specifications and retailer prices

From HK$38,085 HKD
$4,854 USD
As of November 2, 2026
Save HK$45,570 HKD (54%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$83,655 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 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 1555953779. Listed at 19 retailers as of October 30, 2026, with prices from HK$38,085 to HK$83,655, a HK$45,570 spread on the same certified stone. NZ Jewellers lists it at HK$83,655. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1555953779
Dimensions7.67 × 5.51 × 3.84 mm
L/W Ratio1.39
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Cavity, Feather, Needle
Top View
7.67 mm5.51 mm1.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1555953779
Side View
Table 68.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.7%

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 2
Current: HK$83,655 HKD|Low: HK$37,959 HKD|High: HK$83,655 HKD|Avg: HK$52,512 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 2, 2026
Retailer 6HK$38,085 HKD
Retailer 10HK$39,489 HKD
Retailer 4HK$39,905 HKD
Retailer 15HK$41,820 HKD
Retailer 13HK$45,311 HKD
Retailer 14HK$45,311 HKD
Retailer 5HK$47,775 HKD
Retailer 9HK$48,445 HKD
Retailer 2HK$48,455 HKD
Retailer 3HK$51,000 HKD
Retailer 12HK$52,286 HKD
Retailer 8HK$54,637 HKD
Retailer 7HK$73,188 HKD
Retailer 11HK$73,688 HKD
NZ JewellersHK$83,655 HKD

30 data points across 15 retailers

19 retailersHK$38,085 HKD to HK$83,655 HKD

A
Cheapest Retailer
-
HK$38,085 HKD
$4,854 USD
A
Retailer 2
-
HK$39,489 HKD
$5,033 USD
View
A
Retailer 3
-
HK$39,905 HKD
$5,086 USD
View
A
Retailer 4
-
HK$41,820 HKD
$5,330 USD
View
Final sale: no returns
A
Retailer 5
-
HK$42,589 HKD
CA$7,539 CAD
View
B+
Retailer 6
-
HK$45,311 HKD
$5,775 USD
View
B+
Retailer 7
-
HK$45,311 HKD
$5,775 USD
View
B+
Retailer 8
-
HK$47,775 HKD
$6,089 USD
View
B+
Retailer 9
-
HK$48,238 HKD
$6,148 USD
View
B+
Retailer 10
-
HK$48,445 HKD
£4,862 GBP
View
B+
Retailer 11
-
HK$48,455 HKD
£4,863 GBP
View
B+
Retailer 12
-
HK$51,000 HKD
$6,500 USD
View
B+
Retailer 13
-
HK$51,000 HKD
$6,500 USD
View
B+
Retailer 14
-
HK$52,286 HKD
$6,664 USD
View
B+
Retailer 15
-
HK$52,726 HKD
$6,720 USD
View
B+
Retailer 16
-
HK$54,637 HKD
€6,632 EUR
View
B
Retailer 17
-
HK$73,188 HKD
$9,328 USD
View
B
Retailer 18
-
HK$73,688 HKD
£7,395 GBP
View
Most Expensive
B
NZ Jewellers
9ac07ea6-12d9-46ef-8643-3550185b7877 · Oct 30
HK$83,655 HKD
$10,662 USD
View
18 more retailers have this diamond
Prices start from HK$38,085 HKDSave up to HK$45,570 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$38,085 HKD