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Oval|Natural|GIA

0.81ct I SI2 Oval Natural Diamond

ID • I/SI2 • GIA 6561712512

Certificate GIA 6561712512

Diamond specifications and retailer prices

From £815 GBP
$1,092 USD
As of October 31, 2026
Save £646 GBP (44%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,461 GBP at Helzberg Diamonds · As of November 1, 2026
View at Helzberg Diamonds

About this 0.81ct natural oval diamond

This 0.81ct natural oval sits in the just-under-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 6561712512. Listed at 12 retailers as of October 31, 2026, with prices from £815 to £1,461, a £646 spread on the same certified stone. Helzberg Diamonds lists it at £1,461. 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

0.81
Carat
I
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6561712512
Dimensions7.31 × 5.23 × 3.28 mm
L/W Ratio1.40
Top View
7.31 mm5.23 mm0.81 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6561712512
Side View
Table 59.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 62.7%

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 31
Current: £1,461 GBP|Low: £815 GBP|High: £1,461 GBP|Avg: £1,038 GBP
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 7£815 GBP
Retailer 6£840 GBP
Retailer 10£857 GBP
Retailer 11£887 GBP
Retailer 4£927 GBP
Retailer 8£1,002 GBP
Retailer 2£1,022 GBP
Retailer 5£1,173 GBP
Retailer 3£1,186 GBP
Retailer 9£1,317 GBP
Helzberg Diamonds£1,461 GBP

8 data points across 11 retailers

12 retailers£815 GBP to £1,461 GBP

A
Cheapest Retailer
-
£815 GBP
$1,092 USD
A
Retailer 2
-
£823 GBP
SGD 1,490 SGD
View
A
Retailer 3
-
£840 GBP
$1,125 USD
View
A
Retailer 4
-
£857 GBP
$1,148 USD
View
A
Retailer 5
-
£887 GBP
SGD 1,606 SGD
View
B+
Retailer 6
-
£927 GBP
View
B+
Retailer 7
-
£1,002 GBP
$1,343 USD
View
B+
Retailer 8
-
£1,022 GBP
$1,370 USD
View
B+
Retailer 9
-
£1,173 GBP
€1,497 EUR
View
B
Retailer 10
-
£1,186 GBP
$1,588 USD
View
B
Retailer 11
-
£1,317 GBP
$1,764 USD
View
Most Expensive
B
Helzberg Diamonds
XZRMLMHNHILHI · Nov 1
£1,461 GBP
$1,957 USD
View
11 more retailers have this diamond
Prices start from £815 GBPSave up to £646 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
0.81ct Oval
£815 GBP