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Radiant|Natural|GIA

1.20ct I SI2 Radiant Natural Diamond

EX • I/SI2 • GIA 6422630111

Certificate GIA 6422630111

Diamond specifications and retailer prices

From $4,963 NZD
As of November 4, 2026
Save $2,583 NZD (34%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $7,545 NZD at 77 Diamonds · As of November 5, 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 6422630111. Listed at 5 retailers as of November 4, 2026, with prices from $4,963 to $7,545, a $2,583 spread on the same certified stone. 77 Diamonds lists it at $7,545. 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
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6422630111
Dimensions7.26 × 5.06 × 3.49 mm
L/W Ratio1.43
Top View
7.26 mm5.06 mm1.20 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6422630111
Side View
Table 64.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 68.9%

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 4
Current: $7,545 NZD|Low: $4,668 NZD|High: $7,649 NZD|Avg: $5,570 NZD|+1.1%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 5$4,963 NZD
Retailer 3$5,074 NZD
Retailer 2$5,136 NZD
Retailer 4$5,179 NZD
77 Diamonds$7,545 NZD

35 data points across 5 retailers

5 retailers$4,963 NZD to $7,545 NZD

B+
Cheapest Retailer
-
$4,963 NZD
B+
Retailer 2
-
$5,074 NZD
View
B+
Retailer 3
-
$5,136 NZD
View
Final sale: no returns
B+
Retailer 4
-
$5,179 NZD
View
Most Expensive
B
77 Diamonds
RADZVXKHNWR7 · Nov 5
$7,545 NZD
£3,294 GBP
View
4 more retailers have this diamond
Prices start from $4,963 NZDSave up to $2,583 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
$4,963 NZD