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Radiant|Natural|GIA

1.51ct E SI2 Radiant Natural Diamond

ID • E/SI2 • GIA 6233751025

Certificate GIA 6233751025

Diamond specifications and retailer prices

From HK$40,011 HKD
£4,015 GBP
As of October 29, 2026
Save HK$30,599 HKD (43%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$70,610 HKD at NZ Jewellers · As of October 27, 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 E 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 6233751025. Listed at 6 retailers as of October 27, 2026, with prices from HK$40,011 to HK$70,610, a HK$30,599 spread on the same certified stone. NZ Jewellers lists it at HK$70,610. 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
E
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle44.54°
Pavilion angle31.45°
OriginNatural
Grading LabGIA
CertificateGIA 6233751025
Dimensions7.38 × 5.68 × 3.86 mm
L/W Ratio1.30
Top View
7.38 mm5.68 mm1.51 ctE / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6233751025
Side View
Table 67.0%Crown 44.54°Girdle: STK-THKPavilion 31.45°Culet: NoneDepth 67.9%

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: Oct 29
Current: HK$70,610 HKD|Low: HK$37,922 HKD|High: HK$71,685 HKD|Avg: HK$50,407 HKD|-1.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 8HK$37,922 HKD
Retailer 2HK$40,011 HKD
Retailer 5HK$42,214 HKD
Retailer 7HK$42,214 HKD
Retailer 6HK$43,155 HKD
Retailer 9HK$44,839 HKD
Retailer 3HK$47,235 HKD
Retailer 10HK$47,995 HKD
Retailer 11HK$63,352 HKD
Retailer 4HK$67,602 HKD
NZ JewellersHK$70,610 HKD

28 data points across 11 retailers

6 retailersHK$40,011 HKD to HK$70,610 HKD

A
Cheapest Retailer
-
HK$40,011 HKD
£4,015 GBP
A
Retailer 2
-
HK$42,214 HKD
$5,380 USD
View
A
Retailer 3
-
HK$42,214 HKD
$5,380 USD
View
A
Retailer 4
-
HK$43,155 HKD
$5,500 USD
View
B+
Retailer 5
-
HK$67,602 HKD
£6,784 GBP
View
Most Expensive
B+
NZ Jewellers
00748c62-3f1a-4e06-8ebe-5455db0be285 · Oct 27
HK$70,610 HKD
$8,999 USD
View
5 more retailers have this diamond
Prices start from HK$40,011 HKDSave up to HK$30,599 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$40,011 HKD