Radiant|Lab Grown|IGI

0.99ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG692566658

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

Certificate IGI LG692566658

Diamond specifications and retailer prices

From £122 GBP
$163 USD
As of October 30, 2026
Save £1,006 GBP (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,128 GBP at Queensmith · As of October 27, 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 LG692566658 or 692566658. Listed at 22 retailers as of October 27, 2026, with prices from £122 to £1,128, a £1,006 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
SymmetryExcellent
FluorescenceNone
Crown angle42.4°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG692566658
Dimensions7.16 × 4.94 × 3.29 mm
L/W Ratio1.45
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
7.16 mm4.94 mm0.99 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG692566658
Side View
Table 67.0%Crown 42.4°Girdle: MED-STKPavilion 34.8°Culet: NoneDepth 66.6%

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 30
Current: £281 GBP|Low: £116 GBP|High: £785 GBP|Avg: £310 GBP|+6.5%
Retailer 1
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
October 31, 2026
Retailer 12£122 GBP
Retailer 7£136 GBP
Retailer 4£141 GBP
Retailer 5£151 GBP
Retailer 14£151 GBP
Retailer 13£203 GBP
Retailer 8£264 GBP
Retailer 9£272 GBP
Retailer 1£281 GBP
Retailer 15£295 GBP
Retailer 6£331 GBP
Retailer 11£394 GBP
Retailer 2£484 GBP
Retailer 10£704 GBP
Retailer 3£785 GBP

44 data points across 15 retailers

22 retailers£122 GBP to £1,128 GBP

A
Cheapest Retailer
-
£122 GBP
$163 USD
A
Retailer 2
-
£136 GBP
$182 USD
View
Final sale: no returns
A
Retailer 3
-
£141 GBP
$189 USD
View
A
Retailer 4
-
£151 GBP
$202 USD
View
A
Retailer 5
-
£151 GBP
$202 USD
View
A
Retailer 6
-
£172 GBP
HK$1,800 HKD
View
B+
Retailer 7
-
£203 GBP
$272 USD
View
A
Retailer 8
-
£258 GBP
$346 USD
View
A
Retailer 9
-
£264 GBP
View
A
Retailer 10
-
£272 GBP
ZAR 5,885 ZAR
View
A
Retailer 11
-
£281 GBP
€359 EUR
View
Retailer 12
-
£295 GBP
View
Price last confirmed 27 days ago
B+
Retailer 13
-
£331 GBP
$443 USD
View
B+
Retailer 14
-
£394 GBP
$528 USD
View
B+
Retailer 15
-
£412 GBP
SGD 746 SGD
View
B
Retailer 16
-
£484 GBP
$648 USD
View
B
Retailer 17
-
£491 GBP
$658 USD
View
B
Retailer 18
-
£525 GBP
$703 USD
View
B
Retailer 19
-
£704 GBP
View
B
Retailer 20
-
£785 GBP
View
B
Retailer 21
-
£802 GBP
$1,074 USD
View
Most Expensive
B
Queensmith
LG692566658 · Oct 27
£1,128 GBP
View
21 more retailers have this diamond
Prices start from £122 GBPSave up to £1,006 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
£122 GBP