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Cushion|Lab Grown|IGI

1.09ct H VVS2 Cushion Lab Grown Diamond

ID • H/VVS2 • IGI LG851692359

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG851692359

Diamond specifications and retailer prices

From £132 GBP
As of November 5, 2026
Save £633 GBP (83%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £765 GBP at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 1.09ct lab-grown cushion diamond

This 1.09ct lab-grown cushion sits in the classic one-carat band, graded H colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG851692359 or 851692359. Listed at 8 retailers as of November 5, 2026, with prices from £132 to £765, a £633 spread on the same certified stone. Brilliant Earth lists it at £765. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
H
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle30.8°
Pavilion angle33.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851692359
Dimensions7.40 × 5.36 × 3.27 mm
L/W Ratio1.38
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.40 mm5.36 mm1.09 ctH / VVS2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG851692359
Side View
Table 65.0%Crown 30.8°Girdle: MED-THKPavilion 33.4°Culet: NoneDepth 61.0%

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: Nov 5
Current: £171 GBP|Low: £132 GBP|High: £686 GBP|Avg: £402 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 2£132 GBP
Retailer 1£171 GBP
Retailer 6£179 GBP
Retailer 3£403 GBP
Retailer 5£478 GBP
Retailer 7£513 GBP
Retailer 4£686 GBP

2 data points across 7 retailers

8 retailers£132 GBP to £765 GBP

A
Cheapest Retailer
-
£132 GBP
Final sale: no returns
A
Retailer 2
-
£171 GBP
View
A
Retailer 3
-
£179 GBP
View
B+
Retailer 4
-
£403 GBP
View
B+
Retailer 5
-
£478 GBP
View
B+
Retailer 6
-
£513 GBP
View
B
Retailer 7
-
£686 GBP
View
Most Expensive
D
Brilliant Earth
22517500A · Nov 5
£765 GBP
$1,030 USD
View
7 more retailers have this diamond
Prices start from £132 GBPSave up to £633 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
1.09ct Cushion
£132 GBP