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Cushion|Lab Grown|IGI

1.50ct E IF Cushion Lab Grown Diamond

VG • E/IF • IGI LG683565149

Shape and cutting style on the report: Cushion modified brilliant cut

Certificate IGI LG683565149

Diamond specifications and retailer prices

From £594 GBP
$791 USD
As of October 30, 2026
Save £2,646 GBP (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £3,240 GBP at With Clarity · As of October 30, 2026
View at With Clarity

About this 1.5ct lab-grown cushion diamond

This 1.5ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG683565149 or 683565149. Listed at 16 retailers as of October 30, 2026, with prices from £594 to £3,240, a £2,646 spread on the same certified stone. With Clarity lists it at £3,240. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
E
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG683565149
Dimensions7.15 × 6.48 × 4.32 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.15 mm6.48 mm1.50 ctE / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG683565149
Side View
Table 49.0%Crown 41.4°Girdle: MED-STKPavilion 40.6°Culet: LargeDepth 66.7%

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 30
Current: £987 GBP|Low: £594 GBP|High: £2,696 GBP|Avg: £1,359 GBP|-2.8%
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
October 30, 2026
Retailer 6£594 GBP
Retailer 4£616 GBP
Retailer 3£686 GBP
Retailer 12£687 GBP
Retailer 13£972 GBP
Retailer 1£987 GBP
Retailer 8£1,037 GBP
Retailer 9£1,132 GBP
Retailer 15£1,272 GBP
Retailer 11£1,473 GBP
Retailer 10£1,533 GBP
Retailer 7£2,112 GBP
Retailer 5£2,124 GBP
Retailer 2£2,166 GBP
Retailer 14£2,613 GBP

43 data points across 15 retailers

16 retailers£594 GBP to £3,240 GBP

A
Cheapest Retailer
-
£594 GBP
$791 USD
Final sale: no returns
Retailer 2
-
£616 GBP
$820 USD
View
Price last confirmed 13 days ago
A
Retailer 3
-
£686 GBP
$913 USD
View
A
Retailer 4
-
£687 GBP
$915 USD
View
A
Retailer 5
-
£972 GBP
$1,295 USD
View
A
Retailer 6
-
£987 GBP
View
B+
Retailer 7
-
£1,037 GBP
€1,315 EUR
View
B+
Retailer 8
-
£1,132 GBP
ZAR 24,361 ZAR
View
Retailer 9
-
£1,272 GBP
A$2,607 AUD
View
Price last confirmed 26 days ago
B
Retailer 10
-
£1,473 GBP
$1,961 USD
View
Retailer 11
-
£1,533 GBP
A$3,140 AUD
View
Price last confirmed 8 days ago
B
Retailer 12
-
£2,112 GBP
$2,812 USD
View
B
Retailer 13
-
£2,124 GBP
$2,829 USD
View
B
Retailer 14
-
£2,166 GBP
$2,884 USD
View
B
Retailer 15
-
£2,613 GBP
$3,480 USD
View
Most Expensive
B
With Clarity
683565149 · Oct 30
£3,240 GBP
$4,315 USD
View
15 more retailers have this diamond
Prices start from £594 GBPSave up to £2,646 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
1.50ct Cushion
£594 GBP