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Oval|Natural|GIA

0.90ct G SI1 Oval Natural Diamond

ID • G/SI1 • GIA 6521586664

Certificate GIA 6521586664

Diamond specifications and retailer prices

From £886 GBP
HK$9,200 HKD
As of October 29, 2026
Save £795 GBP (47%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,681 GBP at With Clarity · As of October 29, 2026
View at With Clarity

About this 0.9ct natural oval diamond

This 0.9ct natural oval sits in the just-under-one-carat band, graded G 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 6521586664. Listed at 7 retailers as of October 29, 2026, with prices from £886 to £1,681, a £795 spread on the same certified stone. With Clarity lists it at £1,681. 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

0.90
Carat
G
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6521586664
Dimensions7.59 × 5.51 × 3.44 mm
L/W Ratio1.38
Top View
7.59 mm5.51 mm0.90 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6521586664
Side View
Table 61.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 62.5%

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: Oct 29
Current: £1,140 GBP|Low: £886 GBP|High: £1,668 GBP|Avg: £1,252 GBP|+0.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
With Clarity
October 13, 2026
Retailer 3£886 GBP
Retailer 6£1,122 GBP
Retailer 2£1,127 GBP
Retailer 1£1,140 GBP
Retailer 5£1,248 GBP
Retailer 4£1,334 GBP
Retailer 7£1,569 GBP
With Clarity£1,647 GBP

13 data points across 8 retailers

7 retailers£886 GBP to £1,681 GBP

A
Cheapest Retailer
-
£886 GBP
HK$9,200 HKD
A
Retailer 2
-
£1,122 GBP
$1,491 USD
View
A
Retailer 3
-
£1,127 GBP
$1,498 USD
View
Final sale: no returns
A
Retailer 4
-
£1,140 GBP
SGD 2,047 SGD
View
B+
Retailer 5
-
£1,248 GBP
SGD 2,241 SGD
View
B+
Retailer 6
-
£1,334 GBP
$1,773 USD
View
Most Expensive
B+
With Clarity
6521586664 · Oct 29
£1,681 GBP
$2,234 USD
View
6 more retailers have this diamond
Prices start from £886 GBPSave up to £795 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
0.90ct Oval
£886 GBP