Oval|Natural|GIA

1.20ct I SI2 Oval Natural Diamond

ID • I/SI2 • GIA 2556450165

Certificate GIA 2556450165

Diamond specifications and retailer prices

From $2,553 USD
As of November 6, 2026
Save $3,248 USD (56%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $5,801 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2556450165. Listed at 20 retailers as of November 5, 2026, with prices from $2,553 to $5,801, a $3,248 spread on the same certified stone. NZ Jewellers lists it at $5,801. 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
I
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle42.07°
Pavilion angle35.73°
OriginNatural
Grading LabGIA
CertificateGIA 2556450165
Dimensions8.07 × 5.76 × 3.67 mm
L/W Ratio1.40
Culet sizeNone
Key to symbols
Feather, Pinpoint, Cloud
Top View
8.07 mm5.76 mm1.20 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2556450165
Side View
Table 63.0%Crown 42.07°Girdle: THK-VTKPavilion 35.73°Culet: NoneDepth 63.7%

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: $2,553 USD|Low: $2,553 USD|High: $5,598 USD|Avg: $3,414 USD|-3.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 1$2,553 USD
Retailer 7$2,560 USD
Retailer 5$2,925 USD
Retailer 9$3,073 USD
Retailer 8$3,177 USD
Retailer 2$3,274 USD
Retailer 4$3,445 USD
Retailer 3$3,877 USD
Retailer 6$5,553 USD

28 data points across 9 retailers

20 retailers$2,553 USD to $5,801 USD

A
Cheapest Retailer
-
$2,553 USD
A
Retailer 2
-
$2,560 USD
View
B+
Retailer 3
-
$2,843 USD
View
B+
Retailer 4
-
$2,925 USD
View
B+
Retailer 5
-
$2,956 USD
View
B+
Retailer 6
-
$3,073 USD
View
Final sale: no returns
B+
Retailer 7
-
$3,177 USD
View
B+
Retailer 8
-
$3,274 USD
View
B+
Retailer 9
-
$3,330 USD
View
Retailer 10
-
$3,330 USD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$3,445 USD
View
B
Retailer 12
-
$3,458 USD
View
B
Retailer 13
-
$3,473 USD
View
B
Retailer 14
-
$3,560 USD
View
B
Retailer 15
-
$3,563 USD
View
B
Retailer 16
-
$3,842 USD
View
B+
Retailer 17
-
$3,877 USD
View
B
Retailer 18
-
$4,952 USD
View
B
Retailer 19
-
$5,553 USD
View
Most Expensive
B
NZ Jewellers
a1294cdc-a426-4a6d-b4d7-04d2520b6c20 · Nov 5
$5,801 USD
View
19 more retailers have this diamond
Prices start from $2,553 USDSave up to $3,248 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
$2,553 USD