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Radiant|Natural|GIA

1.51ct I SI2 Radiant Natural Diamond

ID • I/SI2 • GIA 5393568057

Certificate GIA 5393568057

Diamond specifications and retailer prices

From HK$28,823 HKD
As of November 1, 2026
Save HK$38,951 HKD (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$67,775 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 I 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 5393568057. Listed at 16 retailers as of October 30, 2026, with prices from HK$28,823 to HK$67,775, a HK$38,951 spread on the same certified stone. NZ Jewellers lists it at HK$67,775. 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
I
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5393568057
Dimensions7.41 × 5.65 × 3.88 mm
L/W Ratio1.31
Top View
7.41 mm5.65 mm1.51 ctI / SI2
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5393568057
Side View
Table 66.0%CrownGirdle: SLI-THKPavilionCulet: NoneDepth 68.8%

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$67,775 HKD|Low: HK$28,623 HKD|High: HK$67,775 HKD|Avg: HK$41,268 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
Retailer 16
Retailer 17
November 2, 2026
Retailer 13HK$28,823 HKD
Retailer 6HK$32,444 HKD
Retailer 9HK$33,927 HKD
Retailer 4HK$34,499 HKD
Retailer 3HK$35,904 HKD
Retailer 2HK$37,944 HKD
Retailer 11HK$38,684 HKD
Retailer 14HK$38,901 HKD
Retailer 15HK$38,901 HKD
Retailer 16HK$38,901 HKD
Retailer 7HK$39,387 HKD
Retailer 5HK$40,090 HKD
Retailer 10HK$44,010 HKD
Retailer 17HK$44,888 HKD
Retailer 8HK$47,340 HKD
Retailer 12HK$61,960 HKD
NZ JewellersHK$67,775 HKD

26 data points across 17 retailers

16 retailersHK$28,823 HKD to HK$67,775 HKD

A
Cheapest Retailer
-
HK$28,823 HKD
A
Retailer 2
-
HK$33,927 HKD
$4,324 USD
View
A
Retailer 3
-
HK$34,499 HKD
$4,397 USD
View
B+
Retailer 4
-
HK$35,904 HKD
$4,576 USD
View
Final sale: no returns
Retailer 5
-
HK$36,695 HKD
SGD 6,320 SGD
View
Price last confirmed 7 days ago
A
Retailer 6
-
HK$37,944 HKD
£3,808 GBP
View
A
Retailer 7
-
HK$38,684 HKD
£3,882 GBP
View
B+
Retailer 8
-
HK$38,901 HKD
$4,958 USD
View
A
Retailer 9
-
HK$38,901 HKD
$4,958 USD
View
A
Retailer 10
-
HK$38,901 HKD
$4,958 USD
View
B+
Retailer 11
-
HK$39,387 HKD
$5,020 USD
View
B+
Retailer 12
-
HK$40,090 HKD
$5,110 USD
View
B+
Retailer 13
-
HK$44,010 HKD
€5,342 EUR
View
B+
Retailer 14
-
HK$44,888 HKD
$5,721 USD
View
B
Retailer 15
-
HK$61,960 HKD
£6,218 GBP
View
Most Expensive
B
NZ Jewellers
968484e3-63f5-41a0-b601-95c083e8afb6 · Oct 30
HK$67,775 HKD
$8,638 USD
View
15 more retailers have this diamond
Prices start from HK$28,823 HKDSave up to HK$38,951 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$28,823 HKD