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Radiant|Natural|GIA

1.02ct I SI1 Radiant Natural Diamond

EX • I/SI1 • GIA 5186516272

Certificate GIA 5186516272

Diamond specifications and retailer prices

From HK$8,590 HKD
As of November 4, 2026
Save HK$9,486 HKD (52%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$18,076 HKD at MOH London · As of November 4, 2026
View at MOH London

About this 1.02ct natural radiant diamond

This 1.02ct natural radiant sits in the classic one-carat band, graded I 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 5186516272. Listed at 9 retailers as of November 4, 2026, with prices from HK$8,590 to HK$18,076, a HK$9,486 spread on the same certified stone. MOH London lists it at HK$18,076. 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

1.02
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5186516272
Dimensions6.31 × 5.03 × 3.55 mm
L/W Ratio1.25
Girdle conditionPolished
Culet sizeNone
Top View
6.31 mm5.03 mm1.02 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5186516272
Side View
Table 62.0%CrownGirdle: ThickPavilionCulet: NoneDepth 70.6%

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 4
Current: HK$18,076 HKD|Low: HK$8,590 HKD|High: HK$18,334 HKD|Avg: HK$11,818 HKD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 8HK$8,590 HKD
Retailer 6HK$8,660 HKD
Retailer 5HK$8,966 HKD
Retailer 9HK$9,812 HKD
Retailer 4HK$11,184 HKD
Retailer 3HK$12,070 HKD
Retailer 7HK$12,932 HKD
Retailer 2HK$13,739 HKD
MOH LondonHK$18,076 HKD

37 data points across 9 retailers

9 retailersHK$8,590 HKD to HK$18,076 HKD

A
Cheapest Retailer
-
HK$8,590 HKD
Retailer 2
-
HK$8,660 HKD
View
Price last confirmed 10 days ago
Retailer 3
-
HK$8,966 HKD
View
Price last confirmed 9 days ago
A
Retailer 4
-
HK$9,812 HKD
View
A
Retailer 5
-
HK$11,184 HKD
View
A
Retailer 6
-
HK$12,070 HKD
View
Retailer 7
-
HK$12,932 HKD
View
Price last confirmed 34 days ago
A
Retailer 8
-
HK$13,739 HKD
View
Most Expensive
B+
MOH London
5336C7C66 · Nov 4
HK$18,076 HKD
£1,816 GBP
View
8 more retailers have this diamond
Prices start from HK$8,590 HKDSave up to HK$9,486 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
1.02ct Radiant
HK$8,590 HKD