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Oval|Lab Grown|IGI

0.99ct D VS1 Oval Lab Grown Diamond

ID • D/VS1 • IGI LG817661719

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG817661719

Diamond specifications and retailer prices

From £125 GBP
$167 USD
As of October 29, 2026
Save £688 GBP (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £812 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

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 LG817661719 or 817661719. Listed at 20 retailers as of October 29, 2026, with prices from £125 to £812, a £688 spread on the same certified stone. Reve Diamonds lists it at £812. 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 angle33.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817661719
Dimensions8.12 × 5.73 × 3.45 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
8.12 mm5.73 mm0.99 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817661719
Side View
Table 61.0%Crown 33.6°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 60.2%

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: £199 GBP|Low: £122 GBP|High: £812 GBP|Avg: £348 GBP|+1.8%
Retailer 1
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Retailer 12
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Retailer 19
Reve Diamonds
October 30, 2026
Retailer 4£125 GBP
Retailer 9£139 GBP
Retailer 15£145 GBP
Retailer 2£154 GBP
Retailer 19£154 GBP
Retailer 1£199 GBP
Retailer 7£260 GBP
Retailer 12£275 GBP
Retailer 10£278 GBP
Retailer 13£279 GBP
Retailer 17£285 GBP
Retailer 11£373 GBP
Retailer 14£385 GBP
Retailer 6£390 GBP
Retailer 3£497 GBP
Retailer 16£525 GBP
Retailer 8£538 GBP
Retailer 5£597 GBP
Retailer 18£727 GBP
Reve Diamonds£812 GBP

36 data points across 20 retailers

20 retailers£125 GBP to £812 GBP

A
Cheapest Retailer
-
£125 GBP
$167 USD
A
Retailer 2
-
£139 GBP
$186 USD
View
Final sale: no returns
A
Retailer 3
-
£145 GBP
$194 USD
View
A
Retailer 4
-
£154 GBP
$207 USD
View
A
Retailer 5
-
£154 GBP
$207 USD
View
A
Retailer 6
-
£199 GBP
View
A
Retailer 7
-
£260 GBP
$348 USD
View
A
Retailer 8
-
£275 GBP
View
A
Retailer 9
-
£278 GBP
$373 USD
View
A
Retailer 10
-
£279 GBP
ZAR 6,047 ZAR
View
A
Retailer 11
-
£285 GBP
€364 EUR
View
B+
Retailer 12
-
£373 GBP
$500 USD
View
B+
Retailer 13
-
£385 GBP
A$794 AUD
View
B+
Retailer 14
-
£390 GBP
$523 USD
View
B+
Retailer 15
-
£497 GBP
$666 USD
View
B
Retailer 16
-
£525 GBP
$703 USD
View
B
Retailer 17
-
£538 GBP
$721 USD
View
B
Retailer 18
-
£597 GBP
$800 USD
View
B
Retailer 19
-
£727 GBP
View
Most Expensive
B
Reve Diamonds
46D7F95CB · Oct 30
£812 GBP
$1,088 USD
View
19 more retailers have this diamond
Prices start from £125 GBPSave up to £688 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
£125 GBP