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Cushion|Lab Grown|IGI

1.51ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG835609100

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG835609100

Diamond specifications and retailer prices

From £167 GBP
As of November 4, 2026
Save £723 GBP (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £890 GBP at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.51ct lab-grown cushion diamond

This 1.51ct 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 LG835609100 or 835609100. Listed at 20 retailers as of November 4, 2026, with prices from £167 to £890, a £723 spread on the same certified stone. Reve Diamonds lists it at £890. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle31.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835609100
Dimensions8.05 × 5.78 × 3.57 mm
L/W Ratio1.39
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.05 mm5.78 mm1.51 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835609100
Side View
Table 65.0%Crown 34.7°Girdle: MED-STKPavilion 31.4°Culet: NoneDepth 61.8%

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: Nov 4
Current: £215 GBP|Low: £167 GBP|High: £996 GBP|Avg: £520 GBP|-6.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
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Retailer 19
Reve Diamonds
November 5, 2026
Retailer 15£167 GBP
Retailer 4£209 GBP
Retailer 1£215 GBP
Retailer 3£302 GBP
Retailer 17£322 GBP
Retailer 9£328 GBP
Retailer 13£337 GBP
Retailer 12£375 GBP
Retailer 11£383 GBP
Retailer 7£452 GBP
Retailer 19£484 GBP
Retailer 5£605 GBP
Retailer 16£635 GBP
Retailer 8£663 GBP
Retailer 2£739 GBP
Retailer 10£750 GBP
Retailer 18£755 GBP
Retailer 6£788 GBP
Retailer 14£864 GBP
Reve Diamonds£890 GBP

28 data points across 20 retailers

20 retailers£167 GBP to £890 GBP

A
Cheapest Retailer
-
£167 GBP
Final sale: no returns
A
Retailer 2
-
£209 GBP
View
A
Retailer 3
-
£215 GBP
View
A
Retailer 4
-
£302 GBP
View
B+
Retailer 5
-
£322 GBP
View
Retailer 6
-
£328 GBP
View
Price last confirmed 14 days ago
A
Retailer 7
-
£337 GBP
View
A
Retailer 8
-
£375 GBP
View
Retailer 9
-
£383 GBP
View
Price last confirmed 11 days ago
Retailer 10
-
£452 GBP
View
Price last confirmed 10 days ago
A
Retailer 11
-
£484 GBP
View
B+
Retailer 12
-
£605 GBP
View
B+
Retailer 13
-
£635 GBP
View
Retailer 14
-
£663 GBP
View
Price last confirmed 12 days ago
B+
Retailer 15
-
£739 GBP
View
Retailer 16
-
£750 GBP
View
Price last confirmed 16 days ago
B+
Retailer 17
-
£755 GBP
View
B+
Retailer 18
-
£788 GBP
View
B
Retailer 19
-
£864 GBP
View
Most Expensive
B
Reve Diamonds
3C30B3091 · Nov 4
£890 GBP
$1,198 USD
View
19 more retailers have this diamond
Prices start from £167 GBPSave up to £723 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
1.51ct Cushion
£167 GBP