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Radiant|Natural|GIA

1.20ct I SI2 Radiant Natural Diamond

EX • I/SI2 • GIA 2245009600

Certificate GIA 2245009600

Diamond specifications and retailer prices

From $4,465 NZD
As of November 7, 2026
Save $3,398 NZD (43%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $7,863 NZD at 77 Diamonds · As of November 7, 2026
View at 77 Diamonds

About this 1.2ct natural radiant diamond

This 1.2ct natural radiant sits in the classic one-carat band, graded I 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 2245009600. Listed at 6 retailers as of November 7, 2026, with prices from $4,465 to $7,863, a $3,398 spread on the same certified stone. 77 Diamonds lists it at $7,863. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2245009600
Dimensions7.27 × 5.39 × 3.65 mm
L/W Ratio1.35
Girdle conditionPolished
Culet sizeNone
Key to symbols
Feather, Pinpoint
Top View
7.27 mm5.39 mm1.20 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2245009600
Side View
Table 66.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 7
Current: $7,863 NZD|Low: $3,463 NZD|High: $7,958 NZD|Avg: $4,884 NZD|-1.2%
77 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
November 7, 2026
Retailer 3$3,463 NZD
Retailer 8$3,534 NZD
Retailer 10$4,127 NZD
Retailer 11$4,450 NZD
Retailer 7$4,465 NZD
Retailer 4$4,652 NZD
Retailer 13$4,703 NZD
Retailer 9$5,134 NZD
Retailer 12$5,294 NZD
Retailer 5$5,423 NZD
Retailer 6$5,956 NZD
Retailer 2$7,728 NZD
77 Diamonds$7,863 NZD

23 data points across 13 retailers

6 retailers$4,465 NZD to $7,863 NZD

Retailer 1
-
$3,463 NZD
Price last confirmed 64 days ago
B+
Retailer 2
-
$4,465 NZD
View
Retailer 3
-
$5,134 NZD
View
Price last confirmed 62 days ago
B
Retailer 4
-
$5,956 NZD
View
B
Retailer 5
-
$7,728 NZD
View
Most Expensive
B
77 Diamonds
RADMB2MPGMGCB · Nov 7
$7,863 NZD
£3,432 GBP
View
5 more retailers have this diamond
Prices start from $4,465 NZDSave up to $3,398 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.

B+
1.20ct Radiant
$4,465 NZD