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Cushion|Lab Grown|IGI

1.71ct D VS2 Cushion Lab Grown Diamond

EX • D/VS2 • IGI LG779654939

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

Certificate IGI LG779654939

Diamond specifications and retailer prices

From £282 GBP
$379 USD
As of November 1, 2026
Save £1,968 GBP (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,250 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

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 LG779654939 or 779654939. Listed at 13 retailers as of November 1, 2026, with prices from £282 to £2,250, a £1,968 spread on the same certified stone. Do Amore Diamonds lists it at £2,250. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG779654939
Dimensions6.79 × 6.69 × 4.49 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.79 mm6.69 mm1.71 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG779654939
Side View
Table 69.0%Crown 36.9°Girdle: STK-VTKPavilion 38.8°Culet: NoneDepth 67.1%

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: Nov 1
Current: £2,250 GBP|Low: £282 GBP|High: £2,250 GBP|Avg: £1,070 GBP
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
November 2, 2026
Retailer 3£282 GBP
Retailer 9£314 GBP
Retailer 8£399 GBP
Retailer 11£566 GBP
Retailer 2£621 GBP
Retailer 7£909 GBP
Retailer 12£1,163 GBP
Retailer 10£1,232 GBP
Retailer 4£1,351 GBP
Retailer 5£1,537 GBP
Retailer 6£1,759 GBP
Do Amore Diamonds£2,250 GBP

46 data points across 12 retailers

13 retailers£282 GBP to £2,250 GBP

A
Cheapest Retailer
-
£282 GBP
$379 USD
Final sale: no returns
Retailer 2
-
£314 GBP
$421 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
£396 GBP
$531 USD
View
A
Retailer 4
-
£399 GBP
$535 USD
View
B+
Retailer 5
-
£566 GBP
$760 USD
View
B+
Retailer 6
-
£621 GBP
View
Retailer 7
-
£909 GBP
$1,220 USD
View
Price last confirmed 12 days ago
B
Retailer 8
-
£1,163 GBP
$1,561 USD
View
B
Retailer 9
-
£1,232 GBP
$1,653 USD
View
B
Retailer 10
-
£1,351 GBP
View
B
Retailer 11
-
£1,537 GBP
$2,063 USD
View
B
Retailer 12
-
£1,759 GBP
$2,360 USD
View
Most Expensive
B
Do Amore Diamonds
27-343AF0B44 · Nov 2
£2,250 GBP
$3,020 USD
View
12 more retailers have this diamond
Prices start from £282 GBPSave up to £1,968 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
£282 GBP