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Cushion|Lab Grown|IGI

1.17ct D VS2 Cushion Lab Grown Diamond

EX • D/VS2 • IGI LG840613257

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG840613257

Diamond specifications and retailer prices

From £140 GBP
$188 USD
As of October 30, 2026
Save £78 GBP (36%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £610 GBP at Frank Darling · As of October 23, 2026
View at Frank Darling

About this 1.17ct lab-grown cushion diamond

This 1.17ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG840613257 or 840613257. Listed at 4 retailers as of October 30, 2026, with a 55% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.17
Carat
D
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840613257
Dimensions7.09 × 5.53 × 3.77 mm
L/W Ratio1.28
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.09 mm5.53 mm1.17 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840613257
Side View
Table 61.0%Crown 34.2°Girdle: MED-STKPavilion 36.8°Culet: NoneDepth 68.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £610 GBP|Low: £140 GBP|High: £610 GBP|Avg: £364 GBP
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 28, 2026
Retailer 2£140 GBP
Retailer 3£218 GBP
Retailer 4£313 GBP
Retailer 5£444 GBP
Frank Darling£610 GBP

9 data points across 5 retailers

4 retailers£140 GBP to £218 GBP

A
Cheapest Retailer
-
£140 GBP
$188 USD
Final sale: no returns
B+
Retailer 2
-
£218 GBP
$292 USD
View
Retailer 3
-
£444 GBP
$595 USD
View
Price last confirmed 23 days ago
Most Expensive
Frank Darling
100756004697KD · Oct 23
£610 GBP
$817 USD
View
Price last confirmed 8 days ago
3 more retailers have this diamond
Prices start from £140 GBPSave up to £78 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
1.17ct Cushion
£140 GBP