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Cushion|Lab Grown|IGI

1.71ct F VS2 Cushion Lab Grown Diamond

ID • F/VS2 • IGI LG816607726

Shape and cutting style on the report: Antique cushion cut

Certificate IGI LG816607726

Diamond specifications and retailer prices

From £325 GBP
$436 USD
As of November 1, 2026
Save £1,081 GBP (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,406 GBP at MOH London · As of November 3, 2026
View at MOH London

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 F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG816607726 or 816607726. Listed at 11 retailers as of November 1, 2026, with prices from £325 to £1,406, a £1,081 spread on the same certified stone. MOH London lists it at £1,406. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816607726
Dimensions7.81 × 6.95 × 4.10 mm
L/W Ratio1.12
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.81 mm6.95 mm1.71 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816607726
Side View
Table 64.0%Crown 36.6°Girdle: MED-THKPavilion 40.6°Culet: LargeDepth 59.0%

Caratlytics Score

How it works →
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: £1,406 GBP|Low: £325 GBP|High: £1,413 GBP|Avg: £808 GBP|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 3, 2026
Retailer 6£325 GBP
Retailer 10£360 GBP
Retailer 3£483 GBP
Retailer 4£484 GBP
Retailer 7£491 GBP
Retailer 2£652 GBP
Retailer 5£1,009 GBP
Retailer 11£1,144 GBP
Retailer 9£1,184 GBP
Retailer 8£1,347 GBP
MOH London£1,406 GBP

20 data points across 11 retailers

11 retailers£325 GBP to £1,406 GBP

A
Cheapest Retailer
-
£325 GBP
$436 USD
Final sale: no returns
Retailer 2
-
£360 GBP
$483 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
£483 GBP
$648 USD
View
A
Retailer 4
-
£484 GBP
$650 USD
View
A
Retailer 5
-
£491 GBP
$659 USD
View
B+
Retailer 6
-
£652 GBP
View
B
Retailer 7
-
£1,009 GBP
$1,354 USD
View
B
Retailer 8
-
£1,144 GBP
SGD 2,075 SGD
View
B
Retailer 9
-
£1,184 GBP
$1,589 USD
View
B
Retailer 10
-
£1,347 GBP
$1,807 USD
View
Most Expensive
B
MOH London
LG816607726 · Nov 3
£1,406 GBP
View
10 more retailers have this diamond
Prices start from £325 GBPSave up to £1,081 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
£325 GBP