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Oval|Lab Grown|IGI

0.99ct D VS1 Oval Lab Grown Diamond

ID • D/VS1 • IGI LG781645544

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG781645544

Diamond specifications and retailer prices

From £138 GBP
$184 USD
As of October 29, 2026
Save £754 GBP (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £893 GBP at Flawless Fine Jewelry · As of October 29, 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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG781645544 or 781645544. Listed at 22 retailers as of October 29, 2026, with prices from £138 to £893, a £754 spread on the same certified stone. Flawless Fine Jewelry lists it at £893. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.99
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781645544
Dimensions7.90 × 7.90 × 5.57 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
7.90 mm7.90 mm0.99 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781645544
Side View
Table 60.0%Crown 35°Girdle: STK-THKPavilion 40.5°Culet: NoneDepth 63.7%

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 29
Current: £893 GBP|Low: £129 GBP|High: £893 GBP|Avg: £354 GBP
Flawless Fine Jewelry
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
Retailer 15
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Retailer 17
October 30, 2026
Retailer 14£138 GBP
Retailer 9£167 GBP
Retailer 2£177 GBP
Retailer 12£221 GBP
Retailer 4£281 GBP
Retailer 17£301 GBP
Retailer 10£302 GBP
Retailer 13£310 GBP
Retailer 6£379 GBP
Retailer 3£416 GBP
Retailer 7£430 GBP
Retailer 5£462 GBP
Retailer 15£592 GBP
Retailer 8£728 GBP
Retailer 16£784 GBP
Retailer 11£859 GBP
Flawless Fine Jewelry£893 GBP

30 data points across 17 retailers

22 retailers£138 GBP to £893 GBP

A
Cheapest Retailer
-
£138 GBP
$184 USD
A
Retailer 2
-
£156 GBP
$208 USD
View
A
Retailer 3
-
£167 GBP
$222 USD
View
A
Retailer 4
-
£167 GBP
$222 USD
View
A
Retailer 5
-
£177 GBP
$236 USD
View
Final sale: no returns
A
Retailer 6
-
£221 GBP
View
A
Retailer 7
-
£264 GBP
$352 USD
View
A
Retailer 8
-
£281 GBP
€356 EUR
View
A
Retailer 9
-
£301 GBP
ZAR 6,485 ZAR
View
A
Retailer 10
-
£302 GBP
$402 USD
View
A
Retailer 11
-
£310 GBP
View
B+
Retailer 12
-
£379 GBP
$505 USD
View
B+
Retailer 13
-
£402 GBP
$536 USD
View
B+
Retailer 14
-
£416 GBP
A$852 AUD
View
B+
Retailer 15
-
£430 GBP
$573 USD
View
B+
Retailer 16
-
£462 GBP
A$946 AUD
View
B
Retailer 17
-
£536 GBP
$714 USD
View
B
Retailer 18
-
£592 GBP
$789 USD
View
B
Retailer 19
-
£728 GBP
$970 USD
View
B
Retailer 20
-
£784 GBP
View
B
Retailer 21
-
£859 GBP
$1,144 USD
View
Most Expensive
B
Flawless Fine Jewelry
652C3D723 · Oct 29
£893 GBP
View
21 more retailers have this diamond
Prices start from £138 GBPSave up to £754 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
£138 GBP