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Cushion|Lab Grown|IGI

1.03ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG839611585

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG839611585

Diamond specifications and retailer prices

From £136 GBP
$181 USD
As of October 27, 2026
Save £669 GBP (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £805 GBP at Reve Diamonds · As of October 25, 2026
View at Reve Diamonds

About this 1.03ct lab-grown cushion diamond

This 1.03ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839611585 or 839611585. Listed at 16 retailers as of October 25, 2026, with prices from £136 to £805, a £669 spread on the same certified stone. Reve Diamonds lists it at £805. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37°
Pavilion angle33.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839611585
Dimensions6.67 × 5.10 × 3.45 mm
L/W Ratio1.31
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.67 mm5.10 mm1.03 ctE / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG839611585
Side View
Table 64.0%Crown 37°Girdle: MED-STKPavilion 33.6°Culet: NoneDepth 67.6%

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: Oct 27
Current: £485 GBP|Low: £136 GBP|High: £1,280 GBP|Avg: £383 GBP|-5.6%
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
Reve Diamonds
October 29, 2026
Retailer 3£136 GBP
Retailer 2£173 GBP
Retailer 13£190 GBP
Retailer 4£246 GBP
Retailer 12£253 GBP
Retailer 11£255 GBP
Retailer 8£264 GBP
Retailer 14£272 GBP
Retailer 9£324 GBP
Retailer 5£333 GBP
Retailer 7£411 GBP
Retailer 1£485 GBP
Retailer 6£525 GBP
Retailer 10£705 GBP
Reve Diamonds£805 GBP

28 data points across 15 retailers

16 retailers£136 GBP to £805 GBP

A
Cheapest Retailer
-
£136 GBP
$181 USD
Final sale: no returns
A
Retailer 2
-
£173 GBP
HK$1,800 HKD
View
Retailer 3
-
£190 GBP
View
Price last confirmed 13 days ago
A
Retailer 4
-
£246 GBP
$327 USD
View
A
Retailer 5
-
£253 GBP
€321 EUR
View
Retailer 6
-
£255 GBP
ZAR 5,478 ZAR
View
Price last confirmed 7 days ago
A
Retailer 7
-
£264 GBP
View
A
Retailer 8
-
£272 GBP
$362 USD
View
B+
Retailer 9
-
£324 GBP
View
A
Retailer 10
-
£333 GBP
$443 USD
View
B+
Retailer 11
-
£411 GBP
SGD 740 SGD
View
B+
Retailer 12
-
£485 GBP
$646 USD
View
B
Retailer 13
-
£503 GBP
$670 USD
View
B
Retailer 14
-
£525 GBP
$700 USD
View
B
Retailer 15
-
£705 GBP
View
Most Expensive
B
Reve Diamonds
C689C1FAB · Oct 25
£805 GBP
$1,072 USD
View
15 more retailers have this diamond
Prices start from £136 GBPSave up to £669 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
£136 GBP