Radiant|Natural|GIA

1.20ct G SI1 Radiant Natural Diamond

EX • G/SI1 • GIA 5242074030

Certificate GIA 5242074030

Diamond specifications and retailer prices

From $2,951 USD
As of October 31, 2026
Save $2,661 USD (47%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,612 USD 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 $2,951 to $5,612, a $2,661 spread on the same certified stone. Helzberg Diamonds lists it at $5,612. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $5,612 USD|Low: $2,951 USD|High: $5,612 USD|Avg: $3,929 USD
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$2,951 USD
Retailer 5$3,182 USD
Retailer 12$3,188 USD
Retailer 9$3,220 USD
Retailer 2$3,478 USD
Retailer 4$3,555 USD
Retailer 13$3,750 USD
Retailer 10$3,781 USD
Retailer 3$3,855 USD
Retailer 7$3,942 USD
Retailer 8$4,095 USD
Retailer 11$4,977 USD
Retailer 6$5,317 USD
Helzberg Diamonds$5,612 USD

26 data points across 14 retailers

15 retailers$2,951 USD to $5,612 USD

A
Cheapest Retailer
-
$2,951 USD
B+
Retailer 2
-
$3,007 USD
SGD 4,063 SGD
View
B+
Retailer 3
-
$3,182 USD
View
B+
Retailer 4
-
$3,188 USD
View
B+
Retailer 5
-
$3,220 USD
View
B+
Retailer 6
-
$3,478 USD
£2,738 GBP
View
B+
Retailer 7
-
$3,555 USD
SGD 4,804 SGD
View
B
Retailer 8
-
$3,750 USD
View
B
Retailer 9
-
$3,781 USD
View
B+
Retailer 10
-
$3,855 USD
View
B+
Retailer 11
-
$3,942 USD
€3,754 EUR
View
B+
Retailer 12
-
$4,095 USD
View
B
Retailer 13
-
$4,977 USD
View
Retailer 14
-
$5,317 USD
View
Price last confirmed 7 days ago
Most Expensive
B
Helzberg Diamonds
XZRLIKIGNKGJG · Nov 2
$5,612 USD
View
14 more retailers have this diamond
Prices start from $2,951 USDSave up to $2,661 USD

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
$2,951 USD