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Cushion|Lab Grown|IGI

1.71ct G VS2 Cushion Lab Grown Diamond

EX • G/VS2 • IGI LG459105751

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG459105751

Diamond specifications and retailer prices

From £265 GBP
$355 USD
As of October 30, 2026
Save £917 GBP (78%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,182 GBP at MOH London · As of October 29, 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 G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG459105751 or 459105751. Listed at 13 retailers as of October 29, 2026, with prices from £265 to £1,182, a £917 spread on the same certified stone. MOH London lists it at £1,182. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
G
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG459105751
Dimensions6.46 × 6.34 × 4.86 mm
L/W Ratio1.02
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
6.46 mm6.34 mm1.71 ctG / VS2
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG459105751
Side View
Table 58.0%Crown 35°Girdle: VTK-ETKPavilion 38.6°Culet: NoneDepth 76.7%

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: Oct 30
Current: £1,182 GBP|Low: £190 GBP|High: £1,214 GBP|Avg: £686 GBP|-0.6%
MOH London
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
Retailer 15
Retailer 16
October 30, 2026
Retailer 14£265 GBP
Retailer 12£293 GBP
Retailer 2£360 GBP
Retailer 3£382 GBP
Retailer 10£444 GBP
Retailer 4£463 GBP
Retailer 11£477 GBP
Retailer 16£492 GBP
Retailer 6£532 GBP
Retailer 9£806 GBP
Retailer 8£857 GBP
Retailer 7£955 GBP
Retailer 15£1,094 GBP
Retailer 13£1,128 GBP
Retailer 5£1,137 GBP
MOH London£1,182 GBP

33 data points across 16 retailers

13 retailers£265 GBP to £1,182 GBP

A
Cheapest Retailer
-
£265 GBP
$355 USD
Final sale: no returns
A
Retailer 2
-
£293 GBP
$393 USD
View
A
Retailer 3
-
£360 GBP
View
Retailer 4
-
£382 GBP
HK$4,000 HKD
View
Price last confirmed 23 days ago
B+
Retailer 5
-
£444 GBP
$595 USD
View
B+
Retailer 6
-
£463 GBP
$620 USD
View
B+
Retailer 7
-
£477 GBP
$639 USD
View
B+
Retailer 8
-
£492 GBP
$659 USD
View
Retailer 9
-
£806 GBP
$1,080 USD
View
Price last confirmed 12 days ago
Retailer 10
-
£955 GBP
$1,279 USD
View
Price last confirmed 13 days ago
Retailer 11
-
£1,094 GBP
SGD 1,980 SGD
View
Price last confirmed 24 days ago
B
Retailer 12
-
£1,128 GBP
$1,511 USD
View
Most Expensive
B
MOH London
LG459105751 · Oct 29
£1,182 GBP
View
12 more retailers have this diamond
Prices start from £265 GBPSave up to £917 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
£265 GBP