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Radiant|Natural|GIA

1.21ct G SI1 Radiant Natural Diamond

EX • G/SI1 • GIA 1565405171

Certificate GIA 1565405171

Diamond specifications and retailer prices

From HK$24,210 HKD
As of November 6, 2026
Save HK$31,796 HKD (57%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$56,006 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.21ct natural radiant diamond

This 1.21ct natural radiant sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1565405171. Listed at 15 retailers as of November 5, 2026, with prices from HK$24,210 to HK$56,006, a HK$31,796 spread on the same certified stone. NZ Jewellers lists it at HK$56,006. 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

1.21
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1565405171
Dimensions7.04 × 5.36 × 3.59 mm
L/W Ratio1.31
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
7.04 mm5.36 mm1.21 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1565405171
Side View
Table 63.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 66.9%

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: Nov 6
Current: HK$56,006 HKD|Low: HK$24,076 HKD|High: HK$58,255 HKD|Avg: HK$35,133 HKD|-3.9%
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
November 7, 2026
Retailer 7HK$24,210 HKD
Retailer 10HK$24,272 HKD
Retailer 4HK$29,602 HKD
Retailer 11HK$29,672 HKD
Retailer 3HK$30,582 HKD
Retailer 8HK$31,185 HKD
Retailer 12HK$32,149 HKD
Retailer 13HK$32,149 HKD
Retailer 2HK$32,173 HKD
Retailer 14HK$34,069 HKD
Retailer 6HK$35,660 HKD
Retailer 5HK$37,094 HKD
Retailer 9HK$53,616 HKD
NZ JewellersHK$56,006 HKD

30 data points across 14 retailers

15 retailersHK$24,210 HKD to HK$56,006 HKD

A
Cheapest Retailer
-
HK$24,210 HKD
A
Retailer 2
-
HK$24,272 HKD
View
B+
Retailer 3
-
HK$26,968 HKD
View
B+
Retailer 4
-
HK$29,602 HKD
View
B
Retailer 5
-
HK$29,672 HKD
View
Final sale: no returns
Retailer 6
-
HK$30,582 HKD
View
Price last confirmed 11 days ago
B+
Retailer 7
-
HK$31,185 HKD
View
B+
Retailer 8
-
HK$32,149 HKD
View
B+
Retailer 9
-
HK$32,149 HKD
View
B+
Retailer 10
-
HK$32,173 HKD
View
B+
Retailer 11
-
HK$34,069 HKD
View
Retailer 12
-
HK$35,660 HKD
View
Price last confirmed 29 days ago
B
Retailer 13
-
HK$37,094 HKD
View
B
Retailer 14
-
HK$53,616 HKD
View
Most Expensive
B
NZ Jewellers
7e1aef85-8ab4-4137-a5bc-67e8757982bc · Nov 5
HK$56,006 HKD
$7,146 USD
View
14 more retailers have this diamond
Prices start from HK$24,210 HKDSave up to HK$31,796 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
1.21ct Radiant
HK$24,210 HKD