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Cushion|Lab Grown|IGI

1.51ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG819602179

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG819602179

Diamond specifications and retailer prices

From £163 GBP
As of November 4, 2026
Save £716 GBP (81%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £879 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 LG819602179 or 819602179. Listed at 19 retailers as of November 4, 2026, with prices from £163 to £879, a £716 spread on the same certified stone. Reve Diamonds lists it at £879. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.5°
Pavilion angle33.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819602179
Dimensions7.57 × 5.96 × 3.97 mm
L/W Ratio1.27
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.57 mm5.96 mm1.51 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG819602179
Side View
Table 63.0%Crown 36.5°Girdle: MED-THKPavilion 33.1°Culet: NoneDepth 66.6%

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: £210 GBP|Low: £163 GBP|High: £958 GBP|Avg: £527 GBP|-4.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 17
Reve Diamonds
November 5, 2026
Retailer 13£163 GBP
Retailer 1£210 GBP
Retailer 2£296 GBP
Retailer 6£310 GBP
Retailer 15£315 GBP
Retailer 11£325 GBP
Retailer 9£374 GBP
Retailer 10£374 GBP
Retailer 17£473 GBP
Retailer 5£591 GBP
Retailer 14£622 GBP
Retailer 8£713 GBP
Retailer 4£719 GBP
Retailer 7£743 GBP
Retailer 16£753 GBP
Retailer 3£773 GBP
Retailer 12£845 GBP
Reve Diamonds£879 GBP

35 data points across 18 retailers

19 retailers£163 GBP to £879 GBP

A
Cheapest Retailer
-
£163 GBP
Final sale: no returns
A
Retailer 2
-
£209 GBP
View
A
Retailer 3
-
£210 GBP
View
A
Retailer 4
-
£296 GBP
View
Retailer 5
-
£310 GBP
View
Price last confirmed 14 days ago
B+
Retailer 6
-
£315 GBP
View
A
Retailer 7
-
£325 GBP
View
Retailer 8
-
£374 GBP
View
Price last confirmed 11 days ago
A
Retailer 9
-
£374 GBP
View
B+
Retailer 10
-
£473 GBP
View
B+
Retailer 11
-
£591 GBP
View
B+
Retailer 12
-
£622 GBP
View
Retailer 13
-
£713 GBP
View
Price last confirmed 12 days ago
B+
Retailer 14
-
£719 GBP
View
Retailer 15
-
£743 GBP
View
Price last confirmed 16 days ago
B+
Retailer 16
-
£753 GBP
View
B+
Retailer 17
-
£773 GBP
View
B
Retailer 18
-
£845 GBP
View
Most Expensive
B
Reve Diamonds
0A4975EDA · Nov 4
£879 GBP
$1,183 USD
View
18 more retailers have this diamond
Prices start from £163 GBPSave up to £716 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
£163 GBP