Oval|Natural|GIA

1.20ct I SI2 Oval Natural Diamond

ID • I/SI2 • GIA 2536777851

Certificate GIA 2536777851

Diamond specifications and retailer prices

From $1,702 USD
As of November 6, 2026
Save $2,947 USD (63%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,649 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 2536777851. Listed at 18 retailers as of November 5, 2026, with prices from $1,702 to $4,649, a $2,947 spread on the same certified stone. NZ Jewellers lists it at $4,649. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2536777851
Dimensions8.11 × 5.89 × 3.74 mm
L/W Ratio1.38
Top View
8.11 mm5.89 mm1.20 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2536777851
Side View
Table 64.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 63.5%

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: $4,649 USD|Low: $1,702 USD|High: $4,723 USD|Avg: $2,650 USD|-1.6%
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
November 6, 2026
Retailer 6$1,702 USD
Retailer 2$1,781 USD
Retailer 15$2,009 USD
Retailer 13$2,052 USD
Retailer 9$2,186 USD
Retailer 16$2,224 USD
Retailer 8$2,259 USD
Retailer 5$2,351 USD
Retailer 10$2,362 USD
Retailer 11$2,369 USD
Retailer 14$2,400 USD
Retailer 3$2,441 USD
Retailer 12$2,566 USD
Retailer 7$2,806 USD
Retailer 4$3,926 USD
NZ Jewellers$4,649 USD

23 data points across 16 retailers

18 retailers$1,702 USD to $4,649 USD

A
Cheapest Retailer
-
$1,702 USD
A
Retailer 2
-
$1,781 USD
View
A
Retailer 3
-
$2,009 USD
View
A
Retailer 4
-
$2,052 USD
View
Final sale: no returns
A
Retailer 5
-
$2,152 USD
View
A
Retailer 6
-
$2,186 USD
View
A
Retailer 7
-
$2,224 USD
View
Retailer 8
-
$2,259 USD
View
Price last confirmed 8 days ago
A
Retailer 9
-
$2,351 USD
View
A
Retailer 10
-
$2,362 USD
View
A
Retailer 11
-
$2,369 USD
View
A
Retailer 12
-
$2,400 USD
View
A
Retailer 13
-
$2,410 USD
View
A
Retailer 14
-
$2,441 USD
View
A
Retailer 15
-
$2,566 USD
View
B+
Retailer 16
-
$2,806 USD
View
B
Retailer 17
-
$3,926 USD
View
Most Expensive
B
NZ Jewellers
241da45f-b975-47ef-b702-1b4efd851331 · Nov 5
$4,649 USD
View
17 more retailers have this diamond
Prices start from $1,702 USDSave up to $2,947 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
$1,702 USD