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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 $5,323 NZD
As of November 4, 2026
Save $4,800 NZD (47%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $10,123 NZD at Helzberg Diamonds · As of November 6, 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 November 4, 2026, with prices from $5,323 to $10,123, a $4,800 spread on the same certified stone. Helzberg Diamonds lists it at $10,123. 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: Nov 4
Current: $10,123 NZD|Low: $5,323 NZD|High: $10,123 NZD|Avg: $7,062 NZD
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
Retailer 15
November 7, 2026
Retailer 3$5,323 NZD
Retailer 10$5,451 NZD
Retailer 6$5,740 NZD
Retailer 14$5,751 NZD
Retailer 11$5,809 NZD
Retailer 2$6,211 NZD
Retailer 5$6,411 NZD
Retailer 15$6,765 NZD
Retailer 12$6,821 NZD
Retailer 4$6,952 NZD
Retailer 9$7,095 NZD
Retailer 8$7,387 NZD
Retailer 13$8,978 NZD
Retailer 7$9,590 NZD
Helzberg Diamonds$10,123 NZD

30 data points across 15 retailers

15 retailers$5,323 NZD to $10,123 NZD

A
Cheapest Retailer
-
$5,323 NZD
B+
Retailer 2
-
$5,451 NZD
View
B+
Retailer 3
-
$5,740 NZD
View
B+
Retailer 4
-
$5,751 NZD
View
B+
Retailer 5
-
$5,809 NZD
View
B+
Retailer 6
-
$6,211 NZD
View
B+
Retailer 7
-
$6,411 NZD
View
B
Retailer 8
-
$6,765 NZD
View
B
Retailer 9
-
$6,821 NZD
View
B+
Retailer 10
-
$6,952 NZD
View
B+
Retailer 11
-
$7,095 NZD
View
B+
Retailer 12
-
$7,387 NZD
View
B
Retailer 13
-
$8,978 NZD
View
B
Retailer 14
-
$9,590 NZD
View
Most Expensive
B
Helzberg Diamonds
XZRLIKIGNKGJG · Nov 6
$10,123 NZD
$5,612 USD
View
14 more retailers have this diamond
Prices start from $5,323 NZDSave up to $4,800 NZD

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
$5,323 NZD