Radiant|Lab Grown|IGI

0.99ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG610346637

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

Certificate IGI LG610346637

Diamond specifications and retailer prices

From £104 GBP
$139 USD
As of October 30, 2026
Save £1,024 GBP (91%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £1,128 GBP at Queensmith · As of October 28, 2026
View at Queensmith

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 LG610346637 or 610346637. Listed at 24 retailers as of October 28, 2026, with prices from £104 to £1,128, a £1,024 spread on the same certified stone. Queensmith lists it at £1,128. 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
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG610346637
Dimensions7.27 × 4.95 × 3.09 mm
L/W Ratio1.47
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
7.27 mm4.95 mm0.99 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG610346637
Side View
Table 69.0%CrownGirdle: MediumPavilionCulet: NoneDepth 62.4%

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 30
Current: £238 GBP|Low: £99 GBP|High: £752 GBP|Avg: £276 GBP|+5.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 16
November 1, 2026
Retailer 7£104 GBP
Retailer 16£118 GBP
Retailer 5£128 GBP
Retailer 8£128 GBP
Retailer 10£178 GBP
Retailer 11£223 GBP
Retailer 13£229 GBP
Retailer 1£238 GBP
Retailer 4£244 GBP
Retailer 14£252 GBP
Retailer 12£313 GBP
Retailer 6£324 GBP
Retailer 2£403 GBP
Retailer 15£463 GBP
Retailer 3£603 GBP
Retailer 9£752 GBP

40 data points across 16 retailers

24 retailers£104 GBP to £1,128 GBP

A
Cheapest Retailer
-
£104 GBP
$139 USD
Retailer 2
-
£104 GBP
$139 USD
View
Price last confirmed 24 days ago
Retailer 3
-
£104 GBP
$139 USD
View
Price last confirmed 15 days ago
Retailer 4
-
£104 GBP
$139 USD
View
Price last confirmed 10 days ago
A
Retailer 5
-
£118 GBP
$158 USD
View
Final sale: no returns
Retailer 6
-
£120 GBP
$161 USD
View
Price last confirmed 7 days ago
Retailer 7
-
£127 GBP
$170 USD
View
Price last confirmed 37 days ago
A
Retailer 8
-
£128 GBP
$172 USD
View
Price last confirmed 7 days ago
Retailer 9
-
£128 GBP
$172 USD
View
Price last confirmed 29 days ago
B+
Retailer 10
-
£178 GBP
$238 USD
View
A
Retailer 11
-
£223 GBP
View
A
Retailer 12
-
£229 GBP
€292 EUR
View
A
Retailer 13
-
£238 GBP
ZAR 5,154 ZAR
View
A
Retailer 14
-
£244 GBP
View
A
Retailer 15
-
£252 GBP
$338 USD
View
B+
Retailer 16
-
£313 GBP
$420 USD
View
B+
Retailer 17
-
£324 GBP
$434 USD
View
B+
Retailer 18
-
£394 GBP
View
B+
Retailer 19
-
£403 GBP
$540 USD
View
Retailer 20
-
£413 GBP
$553 USD
View
Price last confirmed 31 days ago
B+
Retailer 21
-
£463 GBP
$620 USD
View
B
Retailer 22
-
£603 GBP
View
B
Retailer 23
-
£752 GBP
$1,007 USD
View
Most Expensive
B
Queensmith
LG610346637 · Oct 28
£1,128 GBP
View
23 more retailers have this diamond
Prices start from £104 GBPSave up to £1,024 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
£104 GBP