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Oval|Natural|GIA

1.20ct J SI2 Oval Natural Diamond

ID • J/SI2 • GIA 6562008530

Certificate GIA 6562008530

Diamond specifications and retailer prices

From £1,173 GBP
As of November 6, 2026
Save £1,357 GBP (54%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £2,530 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.2ct natural oval diamond

This 1.2ct natural oval sits in the classic one-carat band, graded J 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 6562008530. Listed at 12 retailers as of November 2, 2026, with prices from £1,173 to £2,530, a £1,357 spread on the same certified stone. MOH London lists it at £2,530. 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
J
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6562008530
Dimensions8.38 × 5.89 × 3.58 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Cavity, Indented Natural, Natural
Top View
8.38 mm5.89 mm1.20 ctJ / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6562008530
Side View
Table 63.0%CrownGirdle: MED-XTKPavilionCulet: NoneDepth 60.8%

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: £2,530 GBP|Low: £1,173 GBP|High: £2,662 GBP|Avg: £1,598 GBP|-5.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 5£1,173 GBP
Retailer 11£1,332 GBP
Retailer 3£1,337 GBP
Retailer 2£1,359 GBP
Retailer 9£1,372 GBP
Retailer 6£1,439 GBP
Retailer 10£1,547 GBP
Retailer 7£1,568 GBP
Retailer 4£1,644 GBP
Retailer 8£1,971 GBP
MOH London£2,530 GBP

22 data points across 11 retailers

12 retailers£1,173 GBP to £2,530 GBP

A
Cheapest Retailer
-
£1,173 GBP
A
Retailer 2
-
£1,332 GBP
View
Final sale: no returns
A
Retailer 3
-
£1,337 GBP
View
A
Retailer 4
-
£1,359 GBP
View
A
Retailer 5
-
£1,372 GBP
View
A
Retailer 6
-
£1,439 GBP
View
Retailer 7
-
£1,511 GBP
View
Price last confirmed 30 days ago
B+
Retailer 8
-
£1,547 GBP
View
B+
Retailer 9
-
£1,568 GBP
View
B+
Retailer 10
-
£1,644 GBP
View
B+
Retailer 11
-
£1,971 GBP
View
Most Expensive
B
MOH London
F6AAC8DC1 · Nov 2
£2,530 GBP
View
11 more retailers have this diamond
Prices start from £1,173 GBPSave up to £1,357 GBP

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
£1,173 GBP