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Oval|Natural|GIA

1.30ct J SI1 Oval Natural Diamond

EX • J/SI1 • GIA 6532923681

Certificate GIA 6532923681

Diamond specifications and retailer prices

From £1,491 GBP
As of November 6, 2026
Save £1,312 GBP (47%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £2,803 GBP at With Clarity · As of November 6, 2026
View at With Clarity

About this 1.3ct natural oval diamond

This 1.3ct natural oval sits in the one-and-a-quarter to one-and-a-half carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6532923681. Listed at 6 retailers as of November 6, 2026, with prices from £1,491 to £2,803, a £1,312 spread on the same certified stone. With Clarity lists it at £2,803. 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

1.30
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6532923681
Dimensions8.68 × 6.21 × 3.76 mm
L/W Ratio1.40
Top View
8.68 mm6.21 mm1.30 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6532923681
Side View
Table 60.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 60.5%

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: £2,071 GBP|Low: £1,473 GBP|High: £2,836 GBP|Avg: £2,040 GBP|-3.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
With Clarity
November 6, 2026
Retailer 4£1,491 GBP
Retailer 2£1,535 GBP
Retailer 5£1,808 GBP
Retailer 3£1,992 GBP
Retailer 1£2,071 GBP
Retailer 6£2,546 GBP
With Clarity£2,803 GBP

15 data points across 7 retailers

6 retailers£1,491 GBP to £2,803 GBP

A
Cheapest Retailer
-
£1,491 GBP
A
Retailer 2
-
£1,535 GBP
View
A
Retailer 3
-
£1,808 GBP
View
B+
Retailer 4
-
£1,992 GBP
View
B+
Retailer 5
-
£2,071 GBP
View
Most Expensive
B
With Clarity
6532923681 · Nov 6
£2,803 GBP
$3,752 USD
View
5 more retailers have this diamond
Prices start from £1,491 GBPSave up to £1,312 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
1.30ct Oval
£1,491 GBP