Oval|Lab Grown|IGI

0.99ct F VS1 Oval Lab Grown Diamond

ID • F/VS1 • IGI LG805673581

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG805673581

Diamond specifications and retailer prices

From £336 GBP
$450 USD
As of November 1, 2026
2 retailers carry this diamond
Most expensive: £336 GBP at Rare Carat
View at Rare Carat

About this 0.99ct lab-grown oval diamond

This 0.99ct lab-grown oval sits in the just-under-one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG805673581 or 805673581. Listed at 2 retailers as of November 1, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.99
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.7°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805673581
Dimensions8.07 × 5.68 × 3.40 mm
L/W Ratio1.42
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.07 mm5.68 mm0.99 ctF / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG805673581
Side View
Table 57.0%Crown 32.7°Girdle: THN-MEDPavilion 39.7°Culet: NoneDepth 59.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 1
Current: £336 GBP|Low: £153 GBP|High: £463 GBP|Avg: £288 GBP|-2.2%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 21, 2026
Retailer 6£153 GBP
Retailer 5£178 GBP
Retailer 2£215 GBP
Retailer 3£228 GBP
Retailer 8£246 GBP
Rare Carat£336 GBP
Retailer 7£362 GBP
Retailer 4£406 GBP
Retailer 9£463 GBP

3 data points across 9 retailers

2 retailers

Retailer 1
-
£153 GBP
HK$1,600 HKD
Price last confirmed 58 days ago
Most Expensive
B+
Rare Carat
KA02-143_l_828657658 · Nov 1
£336 GBP
$450 USD
View
1 more retailer has this diamond

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.

B+
0.99ct Oval
£336 GBP