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Radiant|Natural|GIA

1.20ct G SI2 Radiant Natural Diamond

ID • G/SI2 • GIA 1518420796

Certificate GIA 1518420796

Diamond specifications and retailer prices

From $5,114 NZD
As of November 4, 2026
Save $5,322 NZD (51%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $10,436 NZD at NZ Jewellers · As of November 5, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1518420796. Listed at 15 retailers as of November 4, 2026, with prices from $5,114 to $10,436, a $5,322 spread on the same certified stone. NZ Jewellers lists it at $10,436. 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
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1518420796
Dimensions7.54 × 5.12 × 3.56 mm
L/W Ratio1.47
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Knot, Feather, Cloud, Cavity, Needle, Indented Natural
Top View
7.54 mm5.12 mm1.20 ctG / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1518420796
Side View
Table 69.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 69.5%

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: $10,436 NZD|Low: $5,114 NZD|High: $10,623 NZD|Avg: $6,918 NZD|-1.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 7, 2026
Retailer 9$5,114 NZD
Retailer 3$5,318 NZD
Retailer 4$5,460 NZD
Retailer 6$5,749 NZD
Retailer 11$5,991 NZD
Retailer 13$5,991 NZD
Retailer 2$6,198 NZD
Retailer 12$6,220 NZD
Retailer 10$6,249 NZD
Retailer 5$6,911 NZD
Retailer 7$6,974 NZD
Retailer 8$9,750 NZD
NZ Jewellers$10,436 NZD

36 data points across 13 retailers

15 retailers$5,114 NZD to $10,436 NZD

A
Cheapest Retailer
-
$5,114 NZD
B+
Retailer 2
-
$5,318 NZD
View
B+
Retailer 3
-
$5,460 NZD
View
B+
Retailer 4
-
$5,749 NZD
View
B+
Retailer 5
-
$5,991 NZD
View
Retailer 6
-
$5,991 NZD
View
Price last confirmed 9 days ago
Retailer 7
-
$6,097 NZD
View
Price last confirmed 26 days ago
B+
Retailer 8
-
$6,198 NZD
View
B+
Retailer 9
-
$6,220 NZD
View
B+
Retailer 10
-
$6,249 NZD
View
B+
Retailer 11
-
$6,911 NZD
View
B+
Retailer 12
-
$6,974 NZD
View
Retailer 13
-
$7,035 NZD
View
Price last confirmed 29 days ago
B
Retailer 14
-
$9,750 NZD
View
Most Expensive
B
NZ Jewellers
512506f9-5725-44a6-b52f-d8d717bae660 · Nov 5
$10,436 NZD
$5,785 USD
View
14 more retailers have this diamond
Prices start from $5,114 NZDSave up to $5,322 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
$5,114 NZD