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Cushion|Lab Grown|IGI

1.71ct D VS2 Cushion Lab Grown Diamond

ID • D/VS2 • IGI LG546222578

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG546222578

Diamond specifications and retailer prices

From £193 GBP
$259 USD
As of November 1, 2026
Save £1,089 GBP (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,282 GBP at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.71ct lab-grown cushion diamond

This 1.71ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG546222578 or 546222578. Listed at 15 retailers as of November 1, 2026, with prices from £193 to £1,282, a £1,089 spread on the same certified stone. Brilliant Earth lists it at £1,282. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle29.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG546222578
Dimensions7.77 × 6.21 × 4.00 mm
L/W Ratio1.25
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
7.77 mm6.21 mm1.71 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG546222578
Side View
Table 64.5%Crown 36.5°Girdle: STK-VTKPavilion 29.7°Culet: NoneDepth 64.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £1,282 GBP|Low: £193 GBP|High: £1,364 GBP|Avg: £618 GBP|-5.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 3£193 GBP
Retailer 7£289 GBP
Retailer 5£343 GBP
Retailer 2£402 GBP
Retailer 11£464 GBP
Retailer 6£530 GBP
Retailer 8£821 GBP
Retailer 9£840 GBP
Retailer 4£861 GBP
Retailer 10£905 GBP
Brilliant Earth£1,282 GBP

45 data points across 11 retailers

15 retailers£193 GBP to £1,282 GBP

A
Cheapest Retailer
-
£193 GBP
$259 USD
Final sale: no returns
B+
Retailer 2
-
£289 GBP
$388 USD
View
A
Retailer 3
-
£343 GBP
€439 EUR
View
A
Retailer 4
-
£402 GBP
View
A
Retailer 5
-
£443 GBP
$594 USD
View
A
Retailer 6
-
£464 GBP
$623 USD
View
A
Retailer 7
-
£473 GBP
$635 USD
View
A
Retailer 8
-
£530 GBP
$711 USD
View
B+
Retailer 9
-
£730 GBP
$979 USD
View
B+
Retailer 10
-
£821 GBP
A$1,694 AUD
View
B
Retailer 11
-
£840 GBP
View
B+
Retailer 12
-
£861 GBP
View
Retailer 13
-
£905 GBP
$1,215 USD
View
Price last confirmed 35 days ago
B
Retailer 14
-
£967 GBP
$1,297 USD
View
Most Expensive
B
Brilliant Earth
10789475A · Nov 2
£1,282 GBP
$1,720 USD
View
14 more retailers have this diamond
Prices start from £193 GBPSave up to £1,089 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
1.71ct Cushion
£193 GBP