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Oval|Lab Grown|IGI

0.80ct D FL Oval Lab Grown Diamond

EX • D/FL • IGI LG837648666

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG837648666

Diamond specifications and retailer prices

From £286 GBP
$384 USD
As of November 1, 2026
Save £914 GBP (76%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,201 GBP at Riddles Jewelry · As of November 2, 2026
View at Riddles Jewelry

About this 0.8ct lab-grown oval diamond

This 0.8ct lab-grown oval sits in the just-under-one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG837648666 or 837648666. Listed at 13 retailers as of November 1, 2026, with prices from £286 to £1,201, a £914 spread on the same certified stone. Riddles Jewelry lists it at £1,201. Flawless clarity in sub-one-carat stones is rarely visible to the naked eye over VS1, so you are paying a meaningful premium for grade rather than appearance.

The 4Cs

0.80
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837648666
Dimensions8.78 × 4.98 × 3.00 mm
L/W Ratio1.76
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.78 mm4.98 mm0.80 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837648666
Side View
Table 62.0%Crown 34.3°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.2%

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: Nov 1
Current: £523 GBP|Low: £286 GBP|High: £1,201 GBP|Avg: £723 GBP|+1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Riddles Jewelry
November 2, 2026
Retailer 10£286 GBP
Retailer 2£414 GBP
Retailer 7£450 GBP
Retailer 12£458 GBP
Retailer 9£467 GBP
Retailer 5£509 GBP
Retailer 1£523 GBP
Retailer 8£616 GBP
Retailer 3£961 GBP
Retailer 4£1,017 GBP
Retailer 6£1,155 GBP
Retailer 11£1,155 GBP
Riddles Jewelry£1,201 GBP

31 data points across 13 retailers

13 retailers£286 GBP to £1,201 GBP

A
Cheapest Retailer
-
£286 GBP
$384 USD
Final sale: no returns
B+
Retailer 2
-
£414 GBP
$555 USD
View
B+
Retailer 3
-
£450 GBP
€575 EUR
View
B+
Retailer 4
-
£458 GBP
$615 USD
View
B+
Retailer 5
-
£467 GBP
$627 USD
View
B+
Retailer 6
-
£509 GBP
View
B+
Retailer 7
-
£523 GBP
ZAR 11,338 ZAR
View
B
Retailer 8
-
£616 GBP
$827 USD
View
B
Retailer 9
-
£961 GBP
$1,289 USD
View
B
Retailer 10
-
£1,017 GBP
CA$1,896 CAD
View
B
Retailer 11
-
£1,155 GBP
View
B
Retailer 12
-
£1,155 GBP
$1,550 USD
View
Most Expensive
B
Riddles Jewelry
1987014665 · Nov 2
£1,201 GBP
$1,611 USD
View
12 more retailers have this diamond
Prices start from £286 GBPSave up to £914 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
£286 GBP