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Cushion|Lab Grown|IGI

1.59ct F VVS1 Cushion Lab Grown Diamond

EX • F/VVS1 • IGI LG823692251

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG823692251

Diamond specifications and retailer prices

From £317 GBP
$426 USD
As of November 1, 2026
Save £93 GBP (23%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,002 GBP at Rare Carat · As of October 5, 2026
View at Rare Carat

About this 1.59ct lab-grown cushion diamond

This 1.59ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG823692251 or 823692251. Listed at 3 retailers as of October 31, 2026, with a 29% 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

1.59
Carat
F
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823692251
Dimensions7.94 × 6.16 × 4.08 mm
L/W Ratio1.29
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.94 mm6.16 mm1.59 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823692251
Side View
Table 61.0%Crown 34.2°Girdle: MED-STKPavilion 37.2°Culet: NoneDepth 66.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £1,002 GBP|Low: £317 GBP|High: £1,013 GBP|Avg: £551 GBP|-1.1%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 2£317 GBP
Retailer 8£391 GBP
Retailer 3£411 GBP
Retailer 7£451 GBP
Retailer 4£459 GBP
Retailer 6£507 GBP
Retailer 5£792 GBP
Rare Carat£1,002 GBP

17 data points across 8 retailers

3 retailers£317 GBP to £411 GBP

B+
Cheapest Retailer
-
£317 GBP
$426 USD
A
Retailer 2
-
£411 GBP
€525 EUR
View
Most Expensive
Rare Carat
823692251 · Oct 5
£1,002 GBP
$1,345 USD
View
Price last confirmed 28 days ago
2 more retailers have this diamond
Prices start from £317 GBPSave up to £93 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
1.59ct Cushion
£317 GBP