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Oval|Natural|GIA

1.20ct D SI1 Oval Natural Diamond

ID • D/SI1 • GIA 2537846350

Certificate GIA 2537846350

Diamond specifications and retailer prices

From $5,635 NZD
As of November 6, 2026
Save $7,041 NZD (56%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $12,676 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural oval diamond

This 1.2ct natural oval 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 2537846350. Listed at 24 retailers as of November 5, 2026, with prices from $5,635 to $12,676, a $7,041 spread on the same certified stone. NZ Jewellers lists it at $12,676. 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
FluorescenceMedium
Crown angle33.05°
Pavilion angle39.56°
OriginNatural
Grading LabGIA
CertificateGIA 2537846350
Dimensions8.54 × 5.93 × 3.78 mm
L/W Ratio1.44
Top View
8.54 mm5.93 mm1.20 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2537846350
Side View
Table 62.0%Crown 33.05°Girdle: STK-THKPavilion 39.56°Culet: NoneDepth 63.8%

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 6
Current: $5,635 NZD|Low: $5,635 NZD|High: $12,313 NZD|Avg: $7,898 NZD|-3.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 1$5,635 NZD
Retailer 8$5,657 NZD
Retailer 5$6,471 NZD
Retailer 2$7,057 NZD
Retailer 3$7,369 NZD
Retailer 6$8,231 NZD
Retailer 4$8,881 NZD
Retailer 7$12,166 NZD

27 data points across 8 retailers

24 retailers$5,635 NZD to $12,676 NZD

A
Cheapest Retailer
-
$5,635 NZD
A
Retailer 2
-
$5,657 NZD
View
A
Retailer 3
-
$6,213 NZD
View
B+
Retailer 4
-
$6,402 NZD
View
A
Retailer 5
-
$6,471 NZD
View
B+
Retailer 6
-
$6,714 NZD
View
Final sale: no returns
B+
Retailer 7
-
$6,723 NZD
View
B+
Retailer 8
-
$6,936 NZD
View
B+
Retailer 9
-
$7,057 NZD
View
B+
Retailer 10
-
$7,136 NZD
View
Retailer 11
-
$7,275 NZD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$7,275 NZD
View
B+
Retailer 13
-
$7,275 NZD
View
B+
Retailer 14
-
$7,369 NZD
View
B+
Retailer 15
-
$7,513 NZD
View
B+
Retailer 16
-
$7,612 NZD
View
Retailer 17
-
$7,800 NZD
View
Price last confirmed 33 days ago
B+
Retailer 18
-
$8,231 NZD
View
B+
Retailer 19
-
$8,395 NZD
View
B+
Retailer 20
-
$8,881 NZD
View
B
Retailer 21
-
$10,654 NZD
View
B
Retailer 22
-
$10,953 NZD
View
B
Retailer 23
-
$12,166 NZD
View
Most Expensive
B
NZ Jewellers
bdb9aff4-b9dd-4ab4-b5e2-625996455444 · Nov 5
$12,676 NZD
$7,027 USD
View
23 more retailers have this diamond
Prices start from $5,635 NZDSave up to $7,041 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 Oval
$5,635 NZD