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Cushion|Lab Grown|IGI

1.51ct E VS2 Cushion Lab Grown Diamond

ID • E/VS2 • IGI LG693537109

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

Certificate IGI LG693537109

Diamond specifications and retailer prices

From £186 GBP
$248 USD
As of October 30, 2026
Save £654 GBP (78%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £840 GBP at Brilliance · As of October 28, 2026
View at Brilliance

About this 1.51ct lab-grown cushion diamond

This 1.51ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG693537109 or 693537109. Listed at 13 retailers as of October 28, 2026, with prices from £186 to £840, a £654 spread on the same certified stone. Brilliance lists it at £840. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.3°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG693537109
Dimensions6.62 × 6.62 × 4.61 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.62 mm6.62 mm1.51 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG693537109
Side View
Table 63.0%Crown 40.3°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 69.6%

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 30
Current: £840 GBP|Low: £186 GBP|High: £840 GBP|Avg: £519 GBP
Brilliance
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 30, 2026
Retailer 12£186 GBP
Retailer 11£207 GBP
Retailer 9£243 GBP
Retailer 14£351 GBP
Retailer 7£354 GBP
Retailer 4£371 GBP
Retailer 2£384 GBP
Retailer 3£396 GBP
Retailer 10£561 GBP
Retailer 5£703 GBP
Retailer 13£773 GBP
Retailer 6£801 GBP
Retailer 8£832 GBP
Brilliance£840 GBP

42 data points across 14 retailers

13 retailers£186 GBP to £840 GBP

A
Cheapest Retailer
-
£186 GBP
$248 USD
Final sale: no returns
A
Retailer 2
-
£207 GBP
$275 USD
View
Retailer 3
-
£243 GBP
View
Price last confirmed 13 days ago
A
Retailer 4
-
£351 GBP
$468 USD
View
A
Retailer 5
-
£354 GBP
€449 EUR
View
A
Retailer 6
-
£371 GBP
$494 USD
View
A
Retailer 7
-
£384 GBP
View
A
Retailer 8
-
£396 GBP
$528 USD
View
B+
Retailer 9
-
£561 GBP
$747 USD
View
B
Retailer 10
-
£703 GBP
$937 USD
View
Retailer 11
-
£773 GBP
$1,030 USD
View
Price last confirmed 9 days ago
Retailer 12
-
£832 GBP
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliance
D30070481 · Oct 28
£840 GBP
$1,119 USD
View
12 more retailers have this diamond
Prices start from £186 GBPSave up to £654 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
1.51ct Cushion
£186 GBP