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Oval|Lab Grown|IGI

0.99ct F VS1 Oval Lab Grown Diamond

ID • F/VS1 • IGI LG817687270

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG817687270

Diamond specifications and retailer prices

From £132 GBP
$177 USD
As of November 1, 2026
Save £721 GBP (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £853 GBP at Flawless Fine Jewelry · As of October 31, 2026
View at Flawless Fine Jewelry

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 LG817687270 or 817687270. Listed at 22 retailers as of October 31, 2026, with prices from £132 to £853, a £721 spread on the same certified stone. Flawless Fine Jewelry lists it at £853. 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817687270
Dimensions8.33 × 5.51 × 3.33 mm
L/W Ratio1.51
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.33 mm5.51 mm0.99 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817687270
Side View
Table 60.0%Crown 34.2°Girdle: MED-THKPavilion 39.4°Culet: NoneDepth 60.4%

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 1
Current: £853 GBP|Low: £130 GBP|High: £853 GBP|Avg: £349 GBP
Flawless Fine Jewelry
Retailer 2
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Retailer 21
November 1, 2026
Retailer 7£132 GBP
Retailer 13£147 GBP
Retailer 20£153 GBP
Retailer 17£164 GBP
Retailer 15£211 GBP
Retailer 4£254 GBP
Retailer 18£276 GBP
Retailer 5£292 GBP
Retailer 16£294 GBP
Retailer 2£298 GBP
Retailer 12£321 GBP
Retailer 10£384 GBP
Retailer 11£401 GBP
Retailer 3£420 GBP
Retailer 21£421 GBP
Retailer 14£448 GBP
Retailer 19£527 GBP
Retailer 8£567 GBP
Retailer 9£755 GBP
Retailer 6£836 GBP
Flawless Fine Jewelry£853 GBP

28 data points across 21 retailers

22 retailers£132 GBP to £853 GBP

A
Cheapest Retailer
-
£132 GBP
$177 USD
A
Retailer 2
-
£147 GBP
$197 USD
View
Final sale: no returns
A
Retailer 3
-
£153 GBP
$205 USD
View
Retailer 4
-
£160 GBP
$215 USD
View
Price last confirmed 7 days ago
A
Retailer 5
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£164 GBP
$220 USD
View
A
Retailer 6
-
£211 GBP
View
A
Retailer 7
-
£254 GBP
$341 USD
View
A
Retailer 8
-
£276 GBP
€352 EUR
View
A
Retailer 9
-
£292 GBP
$391 USD
View
A
Retailer 10
-
£294 GBP
View
A
Retailer 11
-
£298 GBP
ZAR 6,446 ZAR
View
A
Retailer 12
-
£321 GBP
$430 USD
View
B+
Retailer 13
-
£384 GBP
A$792 AUD
View
B+
Retailer 14
-
£401 GBP
A$826 AUD
View
B+
Retailer 15
-
£420 GBP
$563 USD
View
B+
Retailer 16
-
£421 GBP
A$868 AUD
View
B+
Retailer 17
-
£448 GBP
$600 USD
View
B
Retailer 18
-
£527 GBP
$706 USD
View
B
Retailer 19
-
£567 GBP
$760 USD
View
B
Retailer 20
-
£755 GBP
View
B
Retailer 21
-
£836 GBP
$1,121 USD
View
Most Expensive
B
Flawless Fine Jewelry
B2EF90C32 · Oct 31
£853 GBP
View
21 more retailers have this diamond
Prices start from £132 GBPSave up to £721 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
0.99ct Oval
£132 GBP