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Radiant|Natural|GIA

0.50ct I SI1 Radiant Natural Diamond

ID • I/SI1 • GIA 6542392066

Certificate GIA 6542392066

Diamond specifications and retailer prices

From $577 SGD
$451 USD
As of November 2, 2026
Save $2,001 SGD (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,577 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.5ct natural radiant diamond

This 0.5ct natural radiant sits in the half to three-quarter 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 6542392066. Listed at 12 retailers as of October 30, 2026, with prices from $577 to $2,577, a $2,001 spread on the same certified stone. NZ Jewellers lists it at $2,577. 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

0.50
Carat
I
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6542392066
Dimensions5.40 × 3.98 × 2.74 mm
L/W Ratio1.36
Top View
5.40 mm3.98 mm0.50 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542392066
Side View
Table 68.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.8%

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 2
Current: $2,577 SGD|Low: $524 SGD|High: $2,598 SGD|Avg: $1,188 SGD|-0.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 12$577 SGD
Retailer 6$614 SGD
Retailer 4$978 SGD
Retailer 11$990 SGD
Retailer 5$1,012 SGD
Retailer 8$1,061 SGD
Retailer 10$1,132 SGD
Retailer 2$1,208 SGD
Retailer 3$1,246 SGD
Retailer 9$1,268 SGD
Retailer 7$1,898 SGD
NZ Jewellers$2,577 SGD

34 data points across 12 retailers

12 retailers$577 SGD to $2,577 SGD

A
Cheapest Retailer
-
$577 SGD
$451 USD
Final sale: no returns
A
Retailer 2
-
$614 SGD
₹45,772 INR
View
B+
Retailer 3
-
$978 SGD
$765 USD
View
B+
Retailer 4
-
$990 SGD
$775 USD
View
B+
Retailer 5
-
$1,012 SGD
£623 GBP
View
B
Retailer 6
-
$1,061 SGD
$830 USD
View
B+
Retailer 7
-
$1,132 SGD
$885 USD
View
B+
Retailer 8
-
$1,208 SGD
€900 EUR
View
Retailer 9
-
$1,246 SGD
A$1,499 AUD
View
Price last confirmed 29 days ago
B+
Retailer 10
-
$1,268 SGD
ZAR 16,027 ZAR
View
B
Retailer 11
-
$1,898 SGD
£1,169 GBP
View
Most Expensive
B
NZ Jewellers
574144f7-0a18-44c2-9d7e-8348b534807f · Oct 30
$2,577 SGD
$2,016 USD
View
11 more retailers have this diamond
Prices start from $577 SGDSave up to $2,001 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.

A
0.50ct Radiant
$577 SGD