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Radiant|Natural|GIA

1.20ct G SI1 Radiant Natural Diamond

EX • G/SI1 • GIA 5242074030

Certificate GIA 5242074030

Diamond specifications and retailer prices

From $3,774 SGD
$2,951 USD
As of October 31, 2026
Save $3,403 SGD (47%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $7,177 SGD at Helzberg Diamonds · As of November 2, 2026
View at Helzberg Diamonds

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 5242074030. Listed at 15 retailers as of October 31, 2026, with prices from $3,774 to $7,177, a $3,403 spread on the same certified stone. Helzberg Diamonds lists it at $7,177. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5242074030
Dimensions7.28 × 5.31 × 3.61 mm
L/W Ratio1.37
Culet sizeNone
Top View
7.28 mm5.31 mm1.20 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5242074030
Side View
Table 68.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 67.9%

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: Oct 31
Current: $7,177 SGD|Low: $3,774 SGD|High: $7,177 SGD|Avg: $5,025 SGD
Helzberg Diamonds
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
November 3, 2026
Retailer 14$3,774 SGD
Retailer 5$4,069 SGD
Retailer 12$4,077 SGD
Retailer 9$4,118 SGD
Retailer 2$4,448 SGD
Retailer 4$4,546 SGD
Retailer 13$4,796 SGD
Retailer 10$4,836 SGD
Retailer 3$4,930 SGD
Retailer 7$5,041 SGD
Retailer 8$5,237 SGD
Retailer 11$6,365 SGD
Retailer 6$6,800 SGD
Helzberg Diamonds$7,177 SGD

26 data points across 14 retailers

15 retailers$3,774 SGD to $7,177 SGD

A
Cheapest Retailer
-
$3,774 SGD
$2,951 USD
B+
Retailer 2
-
$3,845 SGD
View
B+
Retailer 3
-
$4,069 SGD
$3,182 USD
View
B+
Retailer 4
-
$4,077 SGD
$3,188 USD
View
B+
Retailer 5
-
$4,118 SGD
$3,220 USD
View
B+
Retailer 6
-
$4,448 SGD
£2,738 GBP
View
B+
Retailer 7
-
$4,546 SGD
View
B
Retailer 8
-
$4,796 SGD
$3,750 USD
View
B
Retailer 9
-
$4,836 SGD
$3,781 USD
View
B+
Retailer 10
-
$4,930 SGD
$3,855 USD
View
B+
Retailer 11
-
$5,041 SGD
€3,754 EUR
View
B+
Retailer 12
-
$5,237 SGD
$4,095 USD
View
B
Retailer 13
-
$6,365 SGD
$4,977 USD
View
Retailer 14
-
$6,800 SGD
$5,317 USD
View
Price last confirmed 7 days ago
Most Expensive
B
Helzberg Diamonds
XZRLIKIGNKGJG · Nov 2
$7,177 SGD
$5,612 USD
View
14 more retailers have this diamond
Prices start from $3,774 SGDSave up to $3,403 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
1.20ct Radiant
$3,774 SGD