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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 $2,835 USD
As of October 30, 2026
Save $2,950 USD (51%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,785 USD at NZ Jewellers · As of October 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 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 October 30, 2026, with prices from $2,835 to $5,785, a $2,950 spread on the same certified stone. NZ Jewellers lists it at $5,785. 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
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: Oct 30
Current: $5,785 USD|Low: $2,835 USD|High: $5,889 USD|Avg: $3,775 USD|-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 1, 2026
Retailer 9$2,835 USD
Retailer 3$2,948 USD
Retailer 4$3,027 USD
Retailer 2$3,205 USD
Retailer 11$3,321 USD
Retailer 13$3,321 USD
Retailer 7$3,441 USD
Retailer 12$3,448 USD
Retailer 10$3,465 USD
Retailer 5$3,831 USD
Retailer 8$3,887 USD
Retailer 6$5,420 USD
NZ Jewellers$5,785 USD

36 data points across 13 retailers

15 retailers$2,835 USD to $5,785 USD

A
Cheapest Retailer
-
$2,835 USD
B+
Retailer 2
-
$2,948 USD
View
B+
Retailer 3
-
$3,027 USD
View
B+
Retailer 4
-
$3,205 USD
£2,523 GBP
View
B+
Retailer 5
-
$3,321 USD
View
B+
Retailer 6
-
$3,321 USD
View
Retailer 7
-
$3,380 USD
View
Price last confirmed 20 days ago
B+
Retailer 8
-
$3,441 USD
£2,710 GBP
View
B+
Retailer 9
-
$3,448 USD
View
B+
Retailer 10
-
$3,465 USD
View
B+
Retailer 11
-
$3,831 USD
View
B+
Retailer 12
-
$3,887 USD
€3,702 EUR
View
Retailer 13
-
$3,900 USD
View
Price last confirmed 23 days ago
B
Retailer 14
-
$5,420 USD
£4,268 GBP
View
Most Expensive
B
NZ Jewellers
512506f9-5725-44a6-b52f-d8d717bae660 · Oct 30
$5,785 USD
View
14 more retailers have this diamond
Prices start from $2,835 USDSave up to $2,950 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
$2,835 USD