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Cushion|Lab Grown|IGI

1.03ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG839645012

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

Certificate IGI LG839645012

Diamond specifications and retailer prices

From £189 GBP
$254 USD
As of October 27, 2026
Save £824 GBP (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,013 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.03ct lab-grown cushion diamond

This 1.03ct lab-grown cushion sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839645012 or 839645012. Listed at 14 retailers as of October 27, 2026, with prices from £189 to £1,013, a £824 spread on the same certified stone. Do Amore Diamonds lists it at £1,013. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839645012
Dimensions6.08 × 5.79 × 3.59 mm
L/W Ratio1.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.08 mm5.79 mm1.03 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839645012
Side View
Table 66.0%Crown 36.3°Girdle: STK-THKPavilion 36.6°Culet: NoneDepth 62.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: £1,013 GBP|Low: £189 GBP|High: £1,036 GBP|Avg: £451 GBP|-2.2%
Do Amore Diamonds
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 29, 2026
Retailer 13£189 GBP
Retailer 2£195 GBP
Retailer 11£198 GBP
Retailer 8£278 GBP
Retailer 7£288 GBP
Retailer 3£319 GBP
Retailer 5£369 GBP
Retailer 9£394 GBP
Retailer 12£439 GBP
Retailer 6£492 GBP
Retailer 14£581 GBP
Retailer 4£649 GBP
Retailer 10£757 GBP
Do Amore Diamonds£1,013 GBP

15 data points across 14 retailers

14 retailers£189 GBP to £1,013 GBP

A
Cheapest Retailer
-
£189 GBP
$254 USD
A
Retailer 2
-
£195 GBP
View
B+
Retailer 3
-
£198 GBP
$266 USD
View
A
Retailer 4
-
£278 GBP
ZAR 6,018 ZAR
View
A
Retailer 5
-
£288 GBP
View
A
Retailer 6
-
£319 GBP
$428 USD
View
B+
Retailer 7
-
£369 GBP
$495 USD
View
Retailer 8
-
£394 GBP
A$814 AUD
View
Price last confirmed 7 days ago
B+
Retailer 9
-
£439 GBP
CA$818 CAD
View
B+
Retailer 10
-
£492 GBP
$660 USD
View
B
Retailer 11
-
£581 GBP
$779 USD
View
B
Retailer 12
-
£649 GBP
$871 USD
View
B
Retailer 13
-
£757 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
Do Amore Diamonds
25-9153126-004C · Oct 29
£1,013 GBP
$1,360 USD
View
13 more retailers have this diamond
Prices start from £189 GBPSave up to £824 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
1.03ct Cushion
£189 GBP