Cushion|Lab Grown|IGI

1.51ct D VS2 Cushion Lab Grown Diamond

EX • D/VS2 • IGI LG665408951

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG665408951

Diamond specifications and retailer prices

From £189 GBP
$253 USD
As of November 1, 2026
Save £755 GBP (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £944 GBP at Reve Diamonds · As of November 1, 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 D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG665408951 or 665408951. Listed at 16 retailers as of November 1, 2026, with prices from £189 to £944, a £755 spread on the same certified stone. Reve Diamonds lists it at £944. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665408951
Dimensions6.98 × 6.98 × 4.28 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.98 mm6.98 mm1.51 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665408951
Side View
Table 60.0%Crown 35.7°Girdle: MED-THKPavilion 41°Culet: NoneDepth 61.3%

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: £383 GBP|Low: £184 GBP|High: £944 GBP|Avg: £530 GBP|+5.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Reve Diamonds
November 2, 2026
Retailer 8£189 GBP
Retailer 3£206 GBP
Retailer 4£352 GBP
Retailer 14£383 GBP
Retailer 1£383 GBP
Retailer 9£388 GBP
Retailer 15£395 GBP
Retailer 12£416 GBP
Retailer 2£563 GBP
Retailer 5£701 GBP
Retailer 6£726 GBP
Retailer 13£750 GBP
Retailer 7£774 GBP
Retailer 11£829 GBP
Retailer 10£851 GBP
Reve Diamonds£944 GBP

46 data points across 16 retailers

16 retailers£189 GBP to £944 GBP

A
Cheapest Retailer
-
£189 GBP
$253 USD
Final sale: no returns
Retailer 2
-
£206 GBP
$276 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
£352 GBP
$471 USD
View
A
Retailer 4
-
£383 GBP
$513 USD
View
A
Retailer 5
-
£383 GBP
View
A
Retailer 6
-
£388 GBP
€495 EUR
View
A
Retailer 7
-
£395 GBP
$529 USD
View
A
Retailer 8
-
£416 GBP
A$858 AUD
View
B+
Retailer 9
-
£563 GBP
$755 USD
View
B+
Retailer 10
-
£701 GBP
$939 USD
View
Retailer 11
-
£726 GBP
A$1,496 AUD
View
Price last confirmed 28 days ago
Retailer 12
-
£750 GBP
$1,005 USD
View
Price last confirmed 12 days ago
B
Retailer 13
-
£774 GBP
$1,037 USD
View
B
Retailer 14
-
£829 GBP
View
B
Retailer 15
-
£851 GBP
$1,140 USD
View
Most Expensive
B
Reve Diamonds
757291B94 · Nov 1
£944 GBP
$1,265 USD
View
15 more retailers have this diamond
Prices start from £189 GBPSave up to £755 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
£189 GBP