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Cushion|Lab Grown|IGI

1.83ct G VVS1 Cushion Lab Grown Diamond

ID • G/VVS1 • IGI LG811630062

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG811630062

Diamond specifications and retailer prices

From £271 GBP
As of November 1, 2026
Save £1,200 GBP (82%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,470 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.83ct lab-grown cushion diamond

This 1.83ct lab-grown cushion sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG811630062 or 811630062. Listed at 19 retailers as of October 31, 2026, with prices from £271 to £1,470, a £1,200 spread on the same certified stone. Brilliant Earth lists it at £1,470. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.83
Carat
G
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811630062
Dimensions7.36 × 7.08 × 4.42 mm
L/W Ratio1.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.36 mm7.08 mm1.83 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811630062
Side View
Table 65.0%Crown 32.2°Girdle: MED-THKPavilion 39.3°Culet: NoneDepth 62.4%

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: £1,470 GBP|Low: £256 GBP|High: £1,955 GBP|Avg: £731 GBP|-24.8%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 1, 2026
Retailer 3£256 GBP
Retailer 11£271 GBP
Retailer 17£345 GBP
Retailer 15£347 GBP
Retailer 13£421 GBP
Retailer 12£447 GBP
Retailer 5£516 GBP
Retailer 14£595 GBP
Retailer 16£655 GBP
Retailer 6£675 GBP
Retailer 8£825 GBP
Retailer 7£861 GBP
Retailer 4£912 GBP
Retailer 9£1,001 GBP
Retailer 10£1,026 GBP
Retailer 2£1,310 GBP
Brilliant Earth£1,470 GBP

33 data points across 17 retailers

19 retailers£271 GBP to £1,470 GBP

Retailer 1
-
£256 GBP
$343 USD
Price last confirmed 7 days ago
A
Retailer 2
-
£271 GBP
View
B+
Retailer 3
-
£345 GBP
$462 USD
View
A
Retailer 4
-
£347 GBP
$465 USD
View
A
Retailer 5
-
£421 GBP
€537 EUR
View
A
Retailer 6
-
£447 GBP
View
A
Retailer 7
-
£516 GBP
$692 USD
View
A
Retailer 8
-
£595 GBP
A$1,227 AUD
View
B+
Retailer 9
-
£655 GBP
$878 USD
View
B+
Retailer 10
-
£675 GBP
$905 USD
View
B+
Retailer 11
-
£825 GBP
SGD 1,493 SGD
View
B+
Retailer 12
-
£861 GBP
$1,153 USD
View
B+
Retailer 13
-
£912 GBP
$1,222 USD
View
B+
Retailer 14
-
£985 GBP
$1,320 USD
View
B+
Retailer 15
-
£1,001 GBP
View
B+
Retailer 16
-
£1,026 GBP
View
Retailer 17
-
£1,306 GBP
$1,750 USD
View
Price last confirmed 11 days ago
B
Retailer 18
-
£1,310 GBP
$1,755 USD
View
Most Expensive
B
Brilliant Earth
20736031A · Oct 31
£1,470 GBP
$1,970 USD
View
18 more retailers have this diamond
Prices start from £271 GBPSave up to £1,200 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
1.83ct Cushion
£271 GBP