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Cushion|Lab Grown|IGI

1.87ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG626412407

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG626412407

Diamond specifications and retailer prices

From £246 GBP
$330 USD
As of October 30, 2026
Save £1,821 GBP (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £2,067 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.87ct lab-grown cushion diamond

This 1.87ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG626412407 or 626412407. Listed at 19 retailers as of October 29, 2026, with prices from £246 to £2,067, a £1,821 spread on the same certified stone. Brilliant Earth lists it at £2,067. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.87
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG626412407
Dimensions7.16 × 7.16 × 4.82 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
7.16 mm7.16 mm1.87 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG626412407
Side View
Table 61.0%Crown 35.7°Girdle: THN-STKPavilion 40.4°Culet: NoneDepth 67.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £2,067 GBP|Low: £246 GBP|High: £2,239 GBP|Avg: £747 GBP|-7.7%
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
October 30, 2026
Retailer 6£246 GBP
Retailer 14£274 GBP
Retailer 4£449 GBP
Retailer 7£451 GBP
Retailer 11£452 GBP
Retailer 10£471 GBP
Retailer 2£486 GBP
Retailer 5£534 GBP
Retailer 9£637 GBP
Retailer 13£963 GBP
Retailer 3£982 GBP
Retailer 12£1,101 GBP
Retailer 8£1,104 GBP
Brilliant Earth£2,067 GBP

42 data points across 14 retailers

19 retailers£246 GBP to £2,067 GBP

A
Cheapest Retailer
-
£246 GBP
$330 USD
Final sale: no returns
A
Retailer 2
-
£274 GBP
$367 USD
View
A
Retailer 3
-
£449 GBP
$602 USD
View
A
Retailer 4
-
£451 GBP
€575 EUR
View
A
Retailer 5
-
£452 GBP
$605 USD
View
A
Retailer 6
-
£471 GBP
ZAR 10,195 ZAR
View
A
Retailer 7
-
£486 GBP
View
A
Retailer 8
-
£534 GBP
$716 USD
View
B+
Retailer 9
-
£577 GBP
$773 USD
View
B+
Retailer 10
-
£637 GBP
A$1,314 AUD
View
B
Retailer 11
-
£917 GBP
$1,229 USD
View
B
Retailer 12
-
£937 GBP
$1,255 USD
View
B+
Retailer 13
-
£963 GBP
$1,290 USD
View
Retailer 14
-
£982 GBP
A$2,024 AUD
View
Price last confirmed 28 days ago
B
Retailer 15
-
£1,069 GBP
View
Retailer 16
-
£1,101 GBP
$1,475 USD
View
Price last confirmed 12 days ago
B
Retailer 17
-
£1,104 GBP
View
B
Retailer 18
-
£1,197 GBP
$1,604 USD
View
Most Expensive
B
Brilliant Earth
9567830A · Oct 29
£2,067 GBP
$2,770 USD
View
18 more retailers have this diamond
Prices start from £246 GBPSave up to £1,821 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
1.87ct Cushion
£246 GBP