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Radiant|Natural|GIA

1.51ct K SI1 Radiant Natural Diamond

EX • K/SI1 • GIA 7542569108

Certificate GIA 7542569108

Diamond specifications and retailer prices

From HK$27,987 HKD
As of November 5, 2026
Save HK$33,168 HKD (54%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$61,155 HKD at NZ Jewellers · As of November 5, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7542569108. Listed at 13 retailers as of November 5, 2026, with prices from HK$27,987 to HK$61,155, a HK$33,168 spread on the same certified stone. NZ Jewellers lists it at HK$61,155. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle45.72°
OriginNatural
Grading LabGIA
CertificateGIA 7542569108
Dimensions7.61 × 5.82 × 3.96 mm
L/W Ratio1.31
Cert comments
Additional clouds are not shown. Pinpoints are not shown.
Key to symbols
Cloud, Feather, Crystal, Needle
Top View
7.61 mm5.82 mm1.51 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7542569108
Side View
Table 68.0%Crown 45.72°Girdle: MED-STKPavilionCulet: NoneDepth 68.1%

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 5
Current: HK$61,155 HKD|Low: HK$30,292 HKD|High: HK$61,155 HKD|Avg: HK$39,629 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 7HK$30,292 HKD
Retailer 6HK$31,804 HKD
Retailer 8HK$31,804 HKD
Retailer 9HK$31,804 HKD
Retailer 2HK$35,558 HKD
Retailer 10HK$36,695 HKD
Retailer 3HK$37,330 HKD
Retailer 4HK$42,824 HKD
Retailer 5HK$55,755 HKD
NZ JewellersHK$61,155 HKD

45 data points across 10 retailers

13 retailersHK$27,987 HKD to HK$61,155 HKD

A
Cheapest Retailer
-
HK$27,987 HKD
B+
Retailer 2
-
HK$29,868 HKD
View
B+
Retailer 3
-
HK$30,292 HKD
View
Retailer 4
-
HK$31,804 HKD
View
Price last confirmed 9 days ago
B+
Retailer 5
-
HK$31,804 HKD
View
B+
Retailer 6
-
HK$31,804 HKD
View
B+
Retailer 7
-
HK$35,558 HKD
View
B+
Retailer 8
-
HK$35,731 HKD
View
B+
Retailer 9
-
HK$36,695 HKD
View
B+
Retailer 10
-
HK$37,330 HKD
View
B+
Retailer 11
-
HK$42,824 HKD
View
B
Retailer 12
-
HK$55,755 HKD
View
Most Expensive
B
NZ Jewellers
83745427-245a-4899-9d78-a2aad90a0f91 · Nov 5
HK$61,155 HKD
$7,803 USD
View
12 more retailers have this diamond
Prices start from HK$27,987 HKDSave up to HK$33,168 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$27,987 HKD