CaratHunter
Plans
Cushion|Lab Grown|IGI

0.99ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG772615488

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG772615488

Diamond specifications and retailer prices

From £128 GBP
$171 USD
As of October 30, 2026
Save £653 GBP (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £780 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 0.99ct lab-grown cushion diamond

This 0.99ct lab-grown cushion 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 LG772615488 or 772615488. Listed at 18 retailers as of October 30, 2026, with prices from £128 to £780, a £653 spread on the same certified stone. Reve Diamonds lists it at £780. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG772615488
Dimensions6.66 × 5.11 × 3.45 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.66 mm5.11 mm0.99 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG772615488
Side View
Table 60.0%Crown 34.7°Girdle: MED-THKPavilion 34.7°Culet: NoneDepth 67.5%

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: £246 GBP|Low: £128 GBP|High: £739 GBP|Avg: £321 GBP|+3.7%
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
October 31, 2026
Retailer 3£128 GBP
Retailer 4£142 GBP
Retailer 6£193 GBP
Retailer 1£246 GBP
Retailer 8£249 GBP
Retailer 11£257 GBP
Retailer 10£270 GBP
Retailer 5£323 GBP
Retailer 7£345 GBP
Retailer 12£354 GBP
Retailer 13£411 GBP
Retailer 14£414 GBP
Retailer 9£668 GBP
Retailer 2£739 GBP

43 data points across 14 retailers

18 retailers£128 GBP to £780 GBP

A
Cheapest Retailer
-
£128 GBP
$171 USD
Final sale: no returns
A
Retailer 2
-
£142 GBP
$190 USD
View
B+
Retailer 3
-
£193 GBP
$258 USD
View
A
Retailer 4
-
£246 GBP
View
A
Retailer 5
-
£249 GBP
€318 EUR
View
A
Retailer 6
-
£256 GBP
$343 USD
View
A
Retailer 7
-
£257 GBP
ZAR 5,561 ZAR
View
A
Retailer 8
-
£270 GBP
View
A
Retailer 9
-
£323 GBP
$433 USD
View
A
Retailer 10
-
£345 GBP
$462 USD
View
A
Retailer 11
-
£354 GBP
A$730 AUD
View
B+
Retailer 12
-
£390 GBP
SGD 707 SGD
View
B+
Retailer 13
-
£411 GBP
A$847 AUD
View
Retailer 14
-
£414 GBP
$555 USD
View
Price last confirmed 12 days ago
B+
Retailer 15
-
£498 GBP
$667 USD
View
B
Retailer 16
-
£668 GBP
View
B
Retailer 17
-
£739 GBP
View
Most Expensive
B
Reve Diamonds
94C3C421F · Oct 30
£780 GBP
$1,046 USD
View
17 more retailers have this diamond
Prices start from £128 GBPSave up to £653 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 Cushion
£128 GBP