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Radiant|Natural|GIA

1.20ct H SI1 Radiant Natural Diamond

EX • H/SI1 • GIA 6243078579

Certificate GIA 6243078579

Diamond specifications and retailer prices

From $4,041 NZD
As of November 6, 2026
Save $5,588 NZD (58%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $9,629 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 H 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 6243078579. Listed at 10 retailers as of November 5, 2026, with prices from $4,041 to $9,629, a $5,588 spread on the same certified stone. NZ Jewellers lists it at $9,629. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle62.46°
OriginNatural
Grading LabGIA
CertificateGIA 6243078579
Dimensions7.00 × 5.37 × 3.73 mm
L/W Ratio1.30
Key to symbols
Crystal, Needle
Top View
7.00 mm5.37 mm1.20 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6243078579
Side View
Table 62.0%CrownGirdle: ThickPavilion 62.46°Culet: NoneDepth 69.4%

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 6
Current: $9,629 NZD|Low: $4,041 NZD|High: $10,044 NZD|Avg: $6,683 NZD|-4.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 3$4,041 NZD
Retailer 4$5,303 NZD
Retailer 8$5,527 NZD
Retailer 5$5,608 NZD
Retailer 2$5,677 NZD
Retailer 9$5,991 NZD
Retailer 7$6,539 NZD
Retailer 10$8,541 NZD
Retailer 6$9,218 NZD
NZ Jewellers$9,629 NZD

31 data points across 10 retailers

10 retailers$4,041 NZD to $9,629 NZD

A
Cheapest Retailer
-
$4,041 NZD
B+
Retailer 2
-
$5,303 NZD
View
B+
Retailer 3
-
$5,527 NZD
View
B+
Retailer 4
-
$5,608 NZD
View
B+
Retailer 5
-
$5,677 NZD
View
B+
Retailer 6
-
$5,991 NZD
View
B+
Retailer 7
-
$6,539 NZD
View
Retailer 8
-
$8,541 NZD
View
Price last confirmed 17 days ago
B
Retailer 9
-
$9,218 NZD
View
Most Expensive
B
NZ Jewellers
d2cdbb5c-de44-45f6-a0c2-4a37f92a3f19 · Nov 5
$9,629 NZD
$5,338 USD
View
9 more retailers have this diamond
Prices start from $4,041 NZDSave up to $5,588 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
$4,041 NZD