Oval|Natural|GIA

1.20ct D SI1 Oval Natural Diamond

ID • D/SI1 • GIA 2537846350

Certificate GIA 2537846350

Diamond specifications and retailer prices

From $3,124 USD
As of November 6, 2026
Save $3,903 USD (56%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $7,027 USD 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 $3,124 to $7,027, a $3,903 spread on the same certified stone. NZ Jewellers lists it at $7,027. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $3,124 USD|Low: $3,124 USD|High: $6,826 USD|Avg: $4,378 USD|-3.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 1$3,124 USD
Retailer 8$3,136 USD
Retailer 5$3,587 USD
Retailer 2$3,912 USD
Retailer 3$4,085 USD
Retailer 6$4,563 USD
Retailer 4$4,923 USD
Retailer 7$6,744 USD

27 data points across 8 retailers

24 retailers$3,124 USD to $7,027 USD

A
Cheapest Retailer
-
$3,124 USD
A
Retailer 2
-
$3,136 USD
View
A
Retailer 3
-
$3,444 USD
View
B+
Retailer 4
-
$3,549 USD
View
A
Retailer 5
-
$3,587 USD
View
B+
Retailer 6
-
$3,722 USD
View
Final sale: no returns
B+
Retailer 7
-
$3,727 USD
View
B+
Retailer 8
-
$3,845 USD
View
B+
Retailer 9
-
$3,912 USD
View
B+
Retailer 10
-
$3,956 USD
View
Retailer 11
-
$4,033 USD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$4,033 USD
View
B+
Retailer 13
-
$4,033 USD
View
B+
Retailer 14
-
$4,085 USD
View
B+
Retailer 15
-
$4,165 USD
View
B+
Retailer 16
-
$4,220 USD
View
Retailer 17
-
$4,324 USD
View
Price last confirmed 33 days ago
B+
Retailer 18
-
$4,563 USD
View
B+
Retailer 19
-
$4,654 USD
View
B+
Retailer 20
-
$4,923 USD
View
B
Retailer 21
-
$5,906 USD
View
B
Retailer 22
-
$6,072 USD
View
B
Retailer 23
-
$6,744 USD
View
Most Expensive
B
NZ Jewellers
bdb9aff4-b9dd-4ab4-b5e2-625996455444 · Nov 5
$7,027 USD
View
23 more retailers have this diamond
Prices start from $3,124 USDSave up to $3,903 USD

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
$3,124 USD