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Radiant|Natural|GIA

0.90ct H SI1 Radiant Natural Diamond

EX • H/SI1 • GIA 6422027438

Certificate GIA 6422027438

Diamond specifications and retailer prices

From HK$12,027 HKD
$1,533 USD
As of November 1, 2026
Save HK$20,156 HKD (63%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$32,183 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.9ct natural radiant diamond

This 0.9ct natural radiant sits in the just-under-one-carat band, graded H 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 6422027438. Listed at 9 retailers as of October 30, 2026, with prices from HK$12,027 to HK$32,183, a HK$20,156 spread on the same certified stone. NZ Jewellers lists it at HK$32,183. 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

0.90
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 6422027438
Dimensions6.04 × 4.79 × 3.33 mm
L/W Ratio1.26
Top View
6.04 mm4.79 mm0.90 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6422027438
Side View
Table 64.0%CrownGirdle: VTH-VTHPavilionCulet: NoneDepth 69.4%

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 1
Current: HK$32,183 HKD|Low: HK$12,027 HKD|High: HK$32,183 HKD|Avg: HK$18,755 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 9HK$12,027 HKD
Retailer 8HK$13,769 HKD
Retailer 7HK$14,154 HKD
Retailer 5HK$15,414 HKD
Retailer 10HK$16,105 HKD
Retailer 6HK$17,217 HKD
Retailer 4HK$19,460 HKD
Retailer 3HK$23,117 HKD
Retailer 2HK$25,388 HKD
NZ JewellersHK$32,183 HKD

43 data points across 10 retailers

9 retailersHK$12,027 HKD to HK$32,183 HKD

B+
Cheapest Retailer
-
HK$12,027 HKD
$1,533 USD
B+
Retailer 2
-
HK$13,769 HKD
$1,755 USD
View
B+
Retailer 3
-
HK$14,154 HKD
$1,804 USD
View
B+
Retailer 4
-
HK$15,414 HKD
£1,547 GBP
View
Retailer 5
-
HK$17,217 HKD
A$3,376 AUD
View
Price last confirmed 27 days ago
B
Retailer 6
-
HK$19,460 HKD
ZAR 40,071 ZAR
View
B
Retailer 7
-
HK$23,117 HKD
£2,320 GBP
View
B
Retailer 8
-
HK$25,388 HKD
£2,548 GBP
View
Most Expensive
B
NZ Jewellers
f6c36a49-f60d-47c0-a2f2-4f5cd3a15a05 · Oct 30
HK$32,183 HKD
$4,102 USD
View
8 more retailers have this diamond
Prices start from HK$12,027 HKDSave up to HK$20,156 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+
0.90ct Radiant
HK$12,027 HKD