Cushion|Lab Grown|IGI

1.51ct G VVS2 Cushion Lab Grown Diamond

EX • G/VVS2 • IGI LG817653621

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG817653621

Diamond specifications and retailer prices

From £194 GBP
$260 USD
As of October 29, 2026
Save £776 GBP (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £970 GBP at Reve Diamonds · As of October 25, 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 G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG817653621 or 817653621. Listed at 14 retailers as of October 25, 2026, with prices from £194 to £970, a £776 spread on the same certified stone. Reve Diamonds lists it at £970. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817653621
Dimensions8.08 × 6.04 × 3.41 mm
L/W Ratio1.34
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.08 mm6.04 mm1.51 ctG / VVS2
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG817653621
Side View
Table 60.0%Crown 35°Girdle: MED-THKPavilion 36.7°Culet: NoneDepth 67.7%

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: Oct 29
Current: £353 GBP|Low: £194 GBP|High: £970 GBP|Avg: £532 GBP|+0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Reve Diamonds
October 31, 2026
Retailer 3£194 GBP
Retailer 12£247 GBP
Retailer 4£291 GBP
Retailer 1£353 GBP
Retailer 10£365 GBP
Retailer 6£392 GBP
Retailer 8£405 GBP
Retailer 5£534 GBP
Retailer 2£687 GBP
Retailer 7£763 GBP
Retailer 11£806 GBP
Retailer 9£866 GBP
Reve Diamonds£970 GBP

42 data points across 13 retailers

14 retailers£194 GBP to £970 GBP

A
Cheapest Retailer
-
£194 GBP
$260 USD
Final sale: no returns
Retailer 2
-
£247 GBP
View
Price last confirmed 14 days ago
B+
Retailer 3
-
£291 GBP
$390 USD
View
A
Retailer 4
-
£353 GBP
€451 EUR
View
Retailer 5
-
£365 GBP
ZAR 7,899 ZAR
View
Price last confirmed 8 days ago
A
Retailer 6
-
£392 GBP
$525 USD
View
A
Retailer 7
-
£405 GBP
View
B+
Retailer 8
-
£534 GBP
$715 USD
View
Retailer 9
-
£687 GBP
$920 USD
View
Price last confirmed 10 days ago
B
Retailer 10
-
£733 GBP
$982 USD
View
B+
Retailer 11
-
£763 GBP
$1,022 USD
View
B
Retailer 12
-
£806 GBP
$1,080 USD
View
B
Retailer 13
-
£866 GBP
View
Most Expensive
B
Reve Diamonds
29CA938C5 · Oct 25
£970 GBP
$1,299 USD
View
13 more retailers have this diamond
Prices start from £194 GBPSave up to £776 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
£194 GBP