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Cushion|Lab Grown|IGI

1.85ct F VS2 Cushion Lab Grown Diamond

EX • F/VS2 • IGI LG634478591

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG634478591

Diamond specifications and retailer prices

From £352 GBP
$471 USD
As of November 1, 2026
Save £790 GBP (69%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,142 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.85ct lab-grown cushion diamond

This 1.85ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG634478591 or 634478591. Listed at 12 retailers as of October 31, 2026, with prices from £352 to £1,142, a £790 spread on the same certified stone. Brilliant Earth lists it at £1,142. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.85
Carat
F
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG634478591
Dimensions7.22 × 7.17 × 4.76 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.22 mm7.17 mm1.85 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG634478591
Side View
Table 63.0%Crown 34.8°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 66.4%

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: Nov 1
Current: £1,142 GBP|Low: £207 GBP|High: £1,224 GBP|Avg: £607 GBP|-5.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 9£207 GBP
Retailer 10£254 GBP
Retailer 11£352 GBP
Retailer 6£363 GBP
Retailer 2£385 GBP
Retailer 13£461 GBP
Retailer 3£513 GBP
Retailer 5£703 GBP
Retailer 4£751 GBP
Retailer 7£831 GBP
Retailer 8£832 GBP
Retailer 12£840 GBP
Brilliant Earth£1,142 GBP

38 data points across 13 retailers

12 retailers£352 GBP to £1,142 GBP

Retailer 1
-
£207 GBP
$277 USD
Price last confirmed 7 days ago
Retailer 2
-
£254 GBP
View
Price last confirmed 16 days ago
B+
Retailer 3
-
£352 GBP
$471 USD
View
A
Retailer 4
-
£363 GBP
€463 EUR
View
A
Retailer 5
-
£385 GBP
View
A
Retailer 6
-
£461 GBP
$618 USD
View
A
Retailer 7
-
£513 GBP
$688 USD
View
Retailer 8
-
£703 GBP
$942 USD
View
Price last confirmed 14 days ago
B+
Retailer 9
-
£831 GBP
View
B+
Retailer 10
-
£832 GBP
$1,115 USD
View
B+
Retailer 11
-
£840 GBP
$1,125 USD
View
Most Expensive
B
Brilliant Earth
10244515A · Oct 31
£1,142 GBP
$1,530 USD
View
11 more retailers have this diamond
Prices start from £352 GBPSave up to £790 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
1.85ct Cushion
£352 GBP