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Cushion|Lab Grown|IGI

1.71ct F VS2 Cushion Lab Grown Diamond

VG • F/VS2 • IGI LG615387422

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

Certificate IGI LG615387422

Diamond specifications and retailer prices

From £280 GBP
As of November 2, 2026
Save £1,322 GBP (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,602 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 F colour (colourless) and VS2 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG615387422 or 615387422. Listed at 11 retailers as of November 2, 2026, with prices from £280 to £1,602, a £1,322 spread on the same certified stone. Do Amore Diamonds lists it at £1,602. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.71
Carat
F
Colour
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.8°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG615387422
Dimensions7.05 × 6.69 × 4.68 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.05 mm6.69 mm1.71 ctF / VS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG615387422
Side View
Table 58.0%Crown 38.8°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 70.0%

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 2
Current: £1,602 GBP|Low: £280 GBP|High: £1,602 GBP|Avg: £654 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 3, 2026
Retailer 4£280 GBP
Retailer 9£349 GBP
Retailer 7£352 GBP
Retailer 8£402 GBP
Retailer 2£430 GBP
Retailer 5£735 GBP
Retailer 6£842 GBP
Retailer 10£862 GBP
Retailer 3£916 GBP
Do Amore Diamonds£1,602 GBP

43 data points across 10 retailers

11 retailers£280 GBP to £1,602 GBP

A
Cheapest Retailer
-
£280 GBP
A
Retailer 2
-
£349 GBP
$469 USD
View
B+
Retailer 3
-
£352 GBP
$473 USD
View
A
Retailer 4
-
£402 GBP
$539 USD
View
A
Retailer 5
-
£430 GBP
View
Retailer 6
-
£735 GBP
A$1,518 AUD
View
Price last confirmed 26 days ago
Retailer 7
-
£801 GBP
$1,075 USD
View
Price last confirmed 29 days ago
B
Retailer 8
-
£842 GBP
$1,130 USD
View
Retailer 9
-
£862 GBP
$1,157 USD
View
Price last confirmed 15 days ago
B
Retailer 10
-
£916 GBP
View
Most Expensive
B
Do Amore Diamonds
27-7DFD45F3C · Nov 2
£1,602 GBP
$2,150 USD
View
10 more retailers have this diamond
Prices start from £280 GBPSave up to £1,322 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
£280 GBP