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Round|Natural|GIA

1.20ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 2566547560

Certificate GIA 2566547560

Diamond specifications and retailer prices

From $4,348 NZD
As of November 6, 2026
Save $5,797 NZD (57%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $10,145 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2566547560. Listed at 18 retailers as of November 5, 2026, with prices from $4,348 to $10,145, a $5,797 spread on the same certified stone. NZ Jewellers lists it at $10,145. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2566547560
Dimensions6.85 × 6.89 × 4.16 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
6.85 mm6.89 mm1.20 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566547560
Side View
Table 60.0%Crown 31.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 60.6%

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: $10,145 NZD|Low: $4,348 NZD|High: $11,477 NZD|Avg: $6,249 NZD|-11.6%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 8$4,348 NZD
Retailer 2$4,472 NZD
Retailer 5$5,016 NZD
Retailer 6$5,169 NZD
Retailer 16$5,239 NZD
Retailer 4$5,376 NZD
Retailer 18$5,392 NZD
Retailer 11$5,572 NZD
Retailer 3$5,824 NZD
Retailer 10$5,893 NZD
Retailer 12$5,952 NZD
Retailer 17$6,048 NZD
Retailer 9$6,114 NZD
Retailer 13$6,578 NZD
Retailer 7$6,719 NZD
Retailer 14$6,731 NZD
Retailer 15$9,711 NZD
NZ Jewellers$10,145 NZD

19 data points across 18 retailers

18 retailers$4,348 NZD to $10,145 NZD

A
Cheapest Retailer
-
$4,348 NZD
A
Retailer 2
-
$4,472 NZD
View
A
Retailer 3
-
$5,016 NZD
View
A
Retailer 4
-
$5,169 NZD
View
A
Retailer 5
-
$5,239 NZD
View
A
Retailer 6
-
$5,376 NZD
View
Final sale: no returns
A
Retailer 7
-
$5,392 NZD
View
A
Retailer 8
-
$5,572 NZD
View
A
Retailer 9
-
$5,824 NZD
View
Retailer 10
-
$5,893 NZD
View
Price last confirmed 8 days ago
A
Retailer 11
-
$5,952 NZD
View
A
Retailer 12
-
$6,048 NZD
View
Retailer 13
-
$6,114 NZD
View
Price last confirmed 11 days ago
A
Retailer 14
-
$6,578 NZD
View
B+
Retailer 15
-
$6,719 NZD
View
B+
Retailer 16
-
$6,731 NZD
View
B+
Retailer 17
-
$9,711 NZD
View
Most Expensive
B
NZ Jewellers
7b6f7e23-934c-4b3f-86d3-f24d15d103fb · Nov 5
$10,145 NZD
$5,703 USD
View
17 more retailers have this diamond
Prices start from $4,348 NZDSave up to $5,797 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 Round
$4,348 NZD