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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 $1,960 SGD
$1,533 USD
As of November 1, 2026
Save $3,284 SGD (63%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $5,244 SGD 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 $1,960 to $5,244, a $3,284 spread on the same certified stone. NZ Jewellers lists it at $5,244. 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: $5,244 SGD|Low: $1,960 SGD|High: $5,244 SGD|Avg: $3,056 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 9$1,960 SGD
Retailer 8$2,244 SGD
Retailer 7$2,306 SGD
Retailer 5$2,512 SGD
Retailer 10$2,624 SGD
Retailer 6$2,805 SGD
Retailer 4$3,171 SGD
Retailer 3$3,767 SGD
Retailer 2$4,137 SGD
NZ Jewellers$5,244 SGD

43 data points across 10 retailers

9 retailers$1,960 SGD to $5,244 SGD

B+
Cheapest Retailer
-
$1,960 SGD
$1,533 USD
B+
Retailer 2
-
$2,244 SGD
$1,755 USD
View
B+
Retailer 3
-
$2,306 SGD
$1,804 USD
View
B+
Retailer 4
-
$2,512 SGD
£1,547 GBP
View
Retailer 5
-
$2,805 SGD
A$3,376 AUD
View
Price last confirmed 27 days ago
B
Retailer 6
-
$3,171 SGD
ZAR 40,071 ZAR
View
B
Retailer 7
-
$3,767 SGD
£2,320 GBP
View
B
Retailer 8
-
$4,137 SGD
£2,548 GBP
View
Most Expensive
B
NZ Jewellers
f6c36a49-f60d-47c0-a2f2-4f5cd3a15a05 · Oct 30
$5,244 SGD
$4,102 USD
View
8 more retailers have this diamond
Prices start from $1,960 SGDSave up to $3,284 SGD

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
$1,960 SGD