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Radiant|Natural|GIA

1.22ct I SI2 Radiant Natural Diamond

EX • I/SI2 • GIA 5166772275

Certificate GIA 5166772275

Diamond specifications and retailer prices

From HK$22,666 HKD
As of November 6, 2026
Save HK$10,661 HKD (32%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: HK$33,327 HKD at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 1.22ct natural radiant diamond

This 1.22ct natural radiant sits in the classic one-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 5166772275. Listed at 4 retailers as of November 6, 2026, with prices from HK$22,666 to HK$33,327, a HK$10,661 spread on the same certified stone. 77 Diamonds lists it at HK$33,327. 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

1.22
Carat
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5166772275
Dimensions7.18 × 5.29 × 3.46 mm
L/W Ratio1.36
Top View
7.18 mm5.29 mm1.22 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5166772275
Side View
Table 63.0%CrownGirdle: ThickPavilionCulet: NoneDepth 65.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$33,327 HKD|Low: HK$22,666 HKD|High: HK$35,171 HKD|Avg: HK$26,237 HKD|-3.0%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 3HK$22,666 HKD
Retailer 2HK$22,870 HKD
Retailer 4HK$23,434 HKD
77 DiamondsHK$33,327 HKD

34 data points across 4 retailers

4 retailersHK$22,666 HKD to HK$33,327 HKD

B+
Cheapest Retailer
-
HK$22,666 HKD
B+
Retailer 2
-
HK$22,870 HKD
View
B+
Retailer 3
-
HK$23,434 HKD
View
Most Expensive
B
77 Diamonds
RADDHASHJMFPT · Nov 6
HK$33,327 HKD
£3,348 GBP
View
3 more retailers have this diamond
Prices start from HK$22,666 HKDSave up to HK$10,661 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.

B+
1.22ct Radiant
HK$22,666 HKD