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Radiant|Natural|GIA

1.20ct D SI1 Radiant Natural Diamond

ID • D/SI1 • GIA 2534595233

Certificate GIA 2534595233

Diamond specifications and retailer prices

From $5,323 NZD
As of November 2, 2026
Save $6,090 NZD (53%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $11,413 NZD at NZ Jewellers · As of November 3, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2534595233. Listed at 8 retailers as of November 2, 2026, with prices from $5,323 to $11,413, a $6,090 spread on the same certified stone. NZ Jewellers lists it at $11,413. 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
D
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.7°
Pavilion angle32.48°
OriginNatural
Grading LabGIA
CertificateGIA 2534595233
Dimensions6.97 × 5.50 × 3.56 mm
L/W Ratio1.27
Top View
6.97 mm5.50 mm1.20 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2534595233
Side View
Table 74.0%Crown 43.7°Girdle: MED-STKPavilion 32.48°Culet: NoneDepth 64.8%

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 2
Current: $11,413 NZD|Low: $5,322 NZD|High: $11,413 NZD|Avg: $6,655 NZD|+18.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 6$5,323 NZD
Retailer 7$5,459 NZD
Retailer 2$5,466 NZD
Retailer 3$5,549 NZD
Retailer 4$5,610 NZD
Retailer 8$5,852 NZD
Retailer 10$5,969 NZD
Retailer 9$6,146 NZD
Retailer 5$9,128 NZD
NZ Jewellers$11,413 NZD

35 data points across 10 retailers

8 retailers$5,323 NZD to $11,413 NZD

A
Cheapest Retailer
-
$5,323 NZD
A
Retailer 2
-
$5,459 NZD
View
A
Retailer 3
-
$5,466 NZD
View
A
Retailer 4
-
$5,549 NZD
View
A
Retailer 5
-
$5,610 NZD
View
Retailer 6
-
$5,852 NZD
View
Price last confirmed 34 days ago
B+
Retailer 7
-
$9,128 NZD
View
Most Expensive
B
NZ Jewellers
c386d2bf-a246-45d5-8407-62e313dd18aa · Nov 3
$11,413 NZD
$6,327 USD
View
7 more retailers have this diamond
Prices start from $5,323 NZDSave up to $6,090 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
$5,323 NZD