Radiant|Lab Grown|IGI

0.99ct D VVS1 Radiant Lab Grown Diamond

ID • D/VVS1 • IGI LG717588809

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

Certificate IGI LG717588809

Diamond specifications and retailer prices

From £125 GBP
$167 USD
As of October 30, 2026
Save £1,060 GBP (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,185 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG717588809 or 717588809. Listed at 21 retailers as of October 27, 2026, with prices from £125 to £1,185, a £1,060 spread on the same certified stone. Queensmith lists it at £1,185. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle43°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG717588809
Dimensions7.30 × 4.95 × 3.25 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
7.30 mm4.95 mm0.99 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG717588809
Side View
Table 65.0%Crown 43°Girdle: STK-THKPavilion 34.2°Culet: NoneDepth 65.7%

Caratlytics Score

How it works →
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: £194 GBP|Low: £119 GBP|High: £812 GBP|Avg: £356 GBP|-0.6%
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
Retailer 16
October 30, 2026
Retailer 15£125 GBP
Retailer 4£139 GBP
Retailer 6£144 GBP
Retailer 2£154 GBP
Retailer 7£154 GBP
Retailer 1£194 GBP
Retailer 12£257 GBP
Retailer 9£274 GBP
Retailer 10£279 GBP
Retailer 8£390 GBP
Retailer 14£406 GBP
Retailer 5£496 GBP
Retailer 11£593 GBP
Retailer 13£725 GBP
Retailer 16£806 GBP
Retailer 3£812 GBP

44 data points across 16 retailers

21 retailers£125 GBP to £1,185 GBP

A
Cheapest Retailer
-
£125 GBP
$167 USD
A
Retailer 2
-
£139 GBP
$186 USD
View
Final sale: no returns
A
Retailer 3
-
£144 GBP
$193 USD
View
A
Retailer 4
-
£154 GBP
$207 USD
View
A
Retailer 5
-
£154 GBP
$207 USD
View
A
Retailer 6
-
£194 GBP
View
B+
Retailer 7
-
£209 GBP
$280 USD
View
A
Retailer 8
-
£257 GBP
€328 EUR
View
A
Retailer 9
-
£274 GBP
View
A
Retailer 10
-
£279 GBP
ZAR 6,036 ZAR
View
A
Retailer 11
-
£317 GBP
$425 USD
View
B+
Retailer 12
-
£390 GBP
$522 USD
View
B+
Retailer 13
-
£406 GBP
$544 USD
View
B+
Retailer 14
-
£496 GBP
$665 USD
View
B+
Retailer 15
-
£537 GBP
$719 USD
View
Retailer 16
-
£593 GBP
$795 USD
View
Price last confirmed 11 days ago
Retailer 17
-
£659 GBP
$882 USD
View
Price last confirmed 71 days ago
Retailer 18
-
£725 GBP
View
Price last confirmed 11 days ago
B
Retailer 19
-
£806 GBP
$1,080 USD
View
B
Retailer 20
-
£812 GBP
$1,087 USD
View
Most Expensive
B
Queensmith
LG717588809 · Oct 27
£1,185 GBP
View
20 more retailers have this diamond
Prices start from £125 GBPSave up to £1,060 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
£125 GBP