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Cushion|Lab Grown|IGI

1.63ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG837665442

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG837665442

Diamond specifications and retailer prices

From £246 GBP
$329 USD
As of November 1, 2026
Save £1,255 GBP (84%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,500 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.63ct lab-grown cushion diamond

This 1.63ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG837665442 or 837665442. Listed at 13 retailers as of October 31, 2026, with prices from £246 to £1,500, a £1,255 spread on the same certified stone. Brilliant Earth lists it at £1,500. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.63
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.7°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837665442
Dimensions9.09 × 6.03 × 3.76 mm
L/W Ratio1.51
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.09 mm6.03 mm1.63 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837665442
Side View
Table 55.0%Crown 30.7°Girdle: MED-STKPavilion 38.6°Culet: LargeDepth 62.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £1,089 GBP|Low: £246 GBP|High: £1,151 GBP|Avg: £679 GBP|-5.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 10£246 GBP
Retailer 11£372 GBP
Retailer 4£388 GBP
Retailer 7£453 GBP
Retailer 6£478 GBP
Retailer 3£491 GBP
Retailer 2£666 GBP
Retailer 12£763 GBP
Retailer 9£910 GBP
Retailer 8£1,046 GBP
Retailer 1£1,089 GBP
Retailer 5£1,114 GBP

17 data points across 12 retailers

13 retailers£246 GBP to £1,500 GBP

A
Cheapest Retailer
-
£246 GBP
$329 USD
Final sale: no returns
A
Retailer 2
-
£372 GBP
$498 USD
View
A
Retailer 3
-
£388 GBP
$520 USD
View
A
Retailer 4
-
£453 GBP
$607 USD
View
A
Retailer 5
-
£478 GBP
View
A
Retailer 6
-
£491 GBP
ZAR 10,620 ZAR
View
B+
Retailer 7
-
£666 GBP
A$1,372 AUD
View
B+
Retailer 8
-
£763 GBP
A$1,573 AUD
View
B
Retailer 9
-
£910 GBP
$1,219 USD
View
B
Retailer 10
-
£1,046 GBP
$1,401 USD
View
B
Retailer 11
-
£1,089 GBP
View
B
Retailer 12
-
£1,114 GBP
$1,493 USD
View
Most Expensive
B
Brilliant Earth
22411290A · Oct 31
£1,500 GBP
$2,010 USD
View
12 more retailers have this diamond
Prices start from £246 GBPSave up to £1,255 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
1.63ct Cushion
£246 GBP