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Oval|Natural|GIA

1.01ct J SI2 Oval Natural Diamond

EX • J/SI2 • GIA 5566091458

Certificate GIA 5566091458

Diamond specifications and retailer prices

From £664 GBP
SGD 1,203 SGD
As of October 29, 2026
Save £584 GBP (47%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £1,249 GBP at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

About this 1.01ct natural oval diamond

This 1.01ct 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 5566091458. Listed at 9 retailers as of October 26, 2026, with prices from £664 to £1,249, a £584 spread on the same certified stone. Wholesale Diamonds Direct lists it at £1,249. 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

1.01
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle39.3°
Pavilion angle39.92°
OriginNatural
Grading LabGIA
CertificateGIA 5566091458
Dimensions8.40 × 5.45 × 3.42 mm
L/W Ratio1.54
Culet sizeNone
Top View
8.40 mm5.45 mm1.01 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5566091458
Side View
Table 59.0%Crown 39.3°Girdle: MED-THKPavilion 39.92°Culet: NoneDepth 62.7%

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: Oct 29
Current: £1,076 GBP|Low: £529 GBP|High: £1,327 GBP|Avg: £907 GBP|-3.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Wholesale Diamonds Direct
October 28, 2026
Retailer 9£529 GBP
Retailer 2£664 GBP
Retailer 4£743 GBP
Retailer 5£781 GBP
Retailer 7£810 GBP
Retailer 3£914 GBP
Retailer 6£919 GBP
Retailer 1£1,076 GBP
Retailer 8£1,111 GBP
Wholesale Diamonds Direct£1,249 GBP

24 data points across 10 retailers

9 retailers£664 GBP to £1,249 GBP

A
Cheapest Retailer
-
£664 GBP
SGD 1,203 SGD
A
Retailer 2
-
£743 GBP
$996 USD
View
A
Retailer 3
-
£781 GBP
$1,047 USD
View
A
Retailer 4
-
£810 GBP
SGD 1,467 SGD
View
A
Retailer 5
-
£914 GBP
$1,224 USD
View
A
Retailer 6
-
£919 GBP
$1,232 USD
View
A
Retailer 7
-
£1,076 GBP
€1,373 EUR
View
A
Retailer 8
-
£1,111 GBP
$1,489 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
414054656 · Oct 26
£1,249 GBP
$1,673 USD
View
8 more retailers have this diamond
Prices start from £664 GBPSave up to £584 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
1.01ct Oval
£664 GBP