Radiant|Natural|GIA

1.20ct G SI1 Radiant Natural Diamond

ID • G/SI1 • GIA 5241031331

Certificate GIA 5241031331

Diamond specifications and retailer prices

From $4,313 SGD
A$5,188 AUD
As of November 3, 2026
11 retailers carry this diamond
Most expensive: $7,781 SGD at NZ Jewellers · As of September 30, 2026
View at NZ Jewellers

About this 1.2ct natural radiant diamond

This 1.2ct natural radiant sits in the classic one-carat band, graded G 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 5241031331. Listed at 11 retailers as of November 3, 2026. 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

1.20
Carat
G
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5241031331
Dimensions7.40 × 5.24 × 3.50 mm
L/W Ratio1.41
Girdle conditionPolished
Top View
7.40 mm5.24 mm1.20 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5241031331
Side View
Table 63.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 66.8%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 3
Current: $5,287 SGD|Low: $3,209 SGD|High: $7,652 SGD|Avg: $4,753 SGD|+6.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 10, 2026
Retailer 15$3,271 SGD
Retailer 11$3,307 SGD
Retailer 3$3,514 SGD
Retailer 12$3,595 SGD
Retailer 4$4,064 SGD
Retailer 2$4,233 SGD
Retailer 9$4,252 SGD
Retailer 7$4,313 SGD
Retailer 8$4,425 SGD
Retailer 6$4,509 SGD
Retailer 10$4,855 SGD
Retailer 1$5,287 SGD
Retailer 5$5,385 SGD
Retailer 14$6,736 SGD
Retailer 13$7,652 SGD

17 data points across 15 retailers

11 retailers

Retailer 1
-
$3,271 SGD
$2,558 USD
Price last confirmed 26 days ago
Retailer 2
-
$3,307 SGD
HK$20,200 HKD
View
Price last confirmed 25 days ago
Retailer 3
-
$3,514 SGD
$2,748 USD
View
Price last confirmed 26 days ago
Retailer 4
-
$4,233 SGD
$3,310 USD
View
Price last confirmed 25 days ago
B+
Retailer 5
-
$4,313 SGD
A$5,188 AUD
View
Retailer 6
-
$4,509 SGD
View
Price last confirmed 33 days ago
Retailer 7
-
$4,855 SGD
A$5,841 AUD
View
Price last confirmed 25 days ago
Retailer 8
-
$5,385 SGD
ZAR 68,021 ZAR
View
Price last confirmed 33 days ago
Retailer 9
-
$6,736 SGD
$5,267 USD
View
Price last confirmed 26 days ago
Retailer 10
-
$7,652 SGD
£4,711 GBP
View
Price last confirmed 26 days ago
Most Expensive
NZ Jewellers
7975d009-8de0-48c5-8ee4-04783b95dd8e · Sep 30
$7,781 SGD
$6,084 USD
View
Price last confirmed 33 days ago
10 more retailers have this diamond
Prices start from $4,313 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+
1.20ct Radiant
$4,313 SGD