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Oval|Natural|GIA

0.80ct G SI1 Oval Natural Diamond

EX • G/SI1 • GIA 6565419560

Certificate GIA 6565419560

Diamond specifications and retailer prices

From £818 GBP
As of November 4, 2026
Save £649 GBP (44%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,467 GBP at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

About this 0.8ct natural oval diamond

This 0.8ct 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 6565419560. Listed at 14 retailers as of November 4, 2026, with prices from £818 to £1,467, a £649 spread on the same certified stone. Helzberg Diamonds lists it at £1,467. 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

0.80
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle40.24°
Pavilion angle39.44°
OriginNatural
Grading LabGIA
CertificateGIA 6565419560
Dimensions7.17 × 5.15 × 3.23 mm
L/W Ratio1.39
Culet sizeNone
Top View
7.17 mm5.15 mm0.80 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6565419560
Side View
Table 60.0%Crown 40.24°Girdle: STK-THKPavilion 39.44°Culet: 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: Nov 4
Current: £1,467 GBP|Low: £818 GBP|High: £1,485 GBP|Avg: £1,053 GBP|-1.2%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 6, 2026
Retailer 10£818 GBP
Retailer 8£840 GBP
Retailer 6£852 GBP
Retailer 9£860 GBP
Retailer 13£885 GBP
Retailer 5£891 GBP
Retailer 7£922 GBP
Retailer 3£1,006 GBP
Retailer 2£1,027 GBP
Retailer 11£1,179 GBP
Retailer 4£1,189 GBP
Retailer 12£1,248 GBP
Retailer 14£1,338 GBP
Helzberg Diamonds£1,467 GBP

25 data points across 14 retailers

14 retailers£818 GBP to £1,467 GBP

A
Cheapest Retailer
-
£818 GBP
A
Retailer 2
-
£840 GBP
View
A
Retailer 3
-
£852 GBP
View
A
Retailer 4
-
£860 GBP
View
A
Retailer 5
-
£885 GBP
View
A
Retailer 6
-
£891 GBP
View
A
Retailer 7
-
£922 GBP
View
A
Retailer 8
-
£1,006 GBP
View
A
Retailer 9
-
£1,027 GBP
View
B+
Retailer 10
-
£1,179 GBP
View
B+
Retailer 11
-
£1,189 GBP
View
B+
Retailer 12
-
£1,248 GBP
View
B+
Retailer 13
-
£1,338 GBP
View
Most Expensive
B+
Helzberg Diamonds
XZRMLMLKHPLMG · Nov 6
£1,467 GBP
$1,964 USD
View
13 more retailers have this diamond
Prices start from £818 GBPSave up to £649 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
0.80ct Oval
£818 GBP