Radiant|Lab Grown|IGI

0.99ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG839611320

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG839611320

Diamond specifications and retailer prices

From £123 GBP
$165 USD
As of October 25, 2026
Save £903 GBP (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,027 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 0.99ct lab-grown radiant diamond

This 0.99ct lab-grown radiant 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 LG839611320 or 839611320. Listed at 22 retailers as of October 25, 2026, with prices from £123 to £1,027, a £903 spread on the same certified stone. MOH London lists it at £1,027. 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle40.3°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839611320
Dimensions7.21 × 4.94 × 3.18 mm
L/W Ratio1.46
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.21 mm4.94 mm0.99 ctD / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG839611320
Side View
Table 70.0%Crown 40.3°Girdle: MediumPavilion 35.3°Culet: NoneDepth 64.4%

Caratlytics Score

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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: Oct 25
Current: £1,027 GBP|Low: £99 GBP|High: £1,037 GBP|Avg: £331 GBP|-0.8%
MOH London
Retailer 2
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Retailer 22
October 31, 2026
Retailer 7£99 GBP
Retailer 14£110 GBP
Retailer 5£115 GBP
Retailer 8£123 GBP
Retailer 3£143 GBP
Retailer 19£158 GBP
Retailer 20£206 GBP
Retailer 2£212 GBP
Retailer 22£218 GBP
Retailer 9£232 GBP
Retailer 11£251 GBP
Retailer 21£264 GBP
Retailer 13£299 GBP
Retailer 15£306 GBP
Retailer 17£336 GBP
Retailer 18£376 GBP
Retailer 6£395 GBP
Retailer 16£396 GBP
Retailer 4£418 GBP
Retailer 12£437 GBP
Retailer 10£730 GBP
MOH London£1,027 GBP

25 data points across 22 retailers

22 retailers£123 GBP to £1,027 GBP

Retailer 1
-
£99 GBP
$133 USD
Price last confirmed 8 days ago
Retailer 2
-
£115 GBP
$154 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
£123 GBP
$165 USD
View
A
Retailer 4
-
£143 GBP
HK$1,500 HKD
View
A
Retailer 5
-
£158 GBP
View
A
Retailer 6
-
£206 GBP
View
A
Retailer 7
-
£212 GBP
€270 EUR
View
Retailer 8
-
£218 GBP
ZAR 4,728 ZAR
View
Price last confirmed 9 days ago
A
Retailer 9
-
£232 GBP
$311 USD
View
A
Retailer 10
-
£251 GBP
$336 USD
View
A
Retailer 11
-
£264 GBP
View
A
Retailer 12
-
£299 GBP
$401 USD
View
B+
Retailer 13
-
£306 GBP
$410 USD
View
B+
Retailer 14
-
£336 GBP
SGD 609 SGD
View
B+
Retailer 15
-
£362 GBP
$485 USD
View
B+
Retailer 16
-
£376 GBP
$504 USD
View
B+
Retailer 17
-
£395 GBP
$529 USD
View
B+
Retailer 18
-
£396 GBP
$530 USD
View
Retailer 19
-
£418 GBP
$560 USD
View
Price last confirmed 10 days ago
B+
Retailer 20
-
£437 GBP
$585 USD
View
B
Retailer 21
-
£730 GBP
$979 USD
View
Most Expensive
B
MOH London
LG839611320 · Oct 26
£1,027 GBP
View
21 more retailers have this diamond
Prices start from £123 GBPSave up to £903 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 Radiant
£123 GBP