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Radiant|Natural|GIA

1.51ct K SI2 Radiant Natural Diamond

EX • K/SI2 • GIA 6522388830

Certificate GIA 6522388830

Diamond specifications and retailer prices

From HK$20,315 HKD
As of November 6, 2026
Save HK$24,108 HKD (54%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$44,422 HKD at NZ Jewellers · As of November 3, 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6522388830. Listed at 5 retailers as of November 3, 2026, with prices from HK$20,315 to HK$44,422, a HK$24,108 spread on the same certified stone. NZ Jewellers lists it at HK$44,422. 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
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle43.72°
Pavilion angle30.24°
OriginNatural
Grading LabGIA
CertificateGIA 6522388830
Dimensions7.74 × 5.75 × 3.73 mm
L/W Ratio1.35
Top View
7.74 mm5.75 mm1.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6522388830
Side View
Table 70.0%Crown 43.72°Girdle: STK-THKPavilion 30.24°Culet: NoneDepth 64.8%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: HK$44,422 HKD|Low: HK$20,236 HKD|High: HK$44,595 HKD|Avg: HK$26,045 HKD|-0.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 7, 2026
Retailer 6HK$20,236 HKD
Retailer 5HK$20,315 HKD
Retailer 4HK$21,247 HKD
Retailer 2HK$21,780 HKD
Retailer 3HK$22,117 HKD
Retailer 7HK$29,939 HKD
NZ JewellersHK$44,422 HKD

8 data points across 7 retailers

5 retailersHK$20,315 HKD to HK$44,422 HKD

A
Cheapest Retailer
-
HK$20,315 HKD
A
Retailer 2
-
HK$21,247 HKD
View
A
Retailer 3
-
HK$21,780 HKD
View
A
Retailer 4
-
HK$22,117 HKD
View
Most Expensive
B
NZ Jewellers
1b9ce637-3646-4f1a-bb11-cdaa34675d1b · Nov 3
HK$44,422 HKD
$5,668 USD
View
4 more retailers have this diamond
Prices start from HK$20,315 HKDSave up to HK$24,108 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$20,315 HKD