Cushion|Lab Grown|IGI

1.39ct G VS1 Cushion Lab Grown Diamond

EX • G/VS1 • IGI LG612329119

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG612329119

Diamond specifications and retailer prices

From £176 GBP
As of November 4, 2026
Save £1,332 GBP (88%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,508 GBP at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.39ct lab-grown cushion diamond

This 1.39ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG612329119 or 612329119. Listed at 10 retailers as of November 4, 2026, with prices from £176 to £1,508, a £1,332 spread on the same certified stone. Do Amore Diamonds lists it at £1,508. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.39
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG612329119
Dimensions6.43 × 6.43 × 4.33 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.43 mm6.43 mm1.39 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG612329119
Side View
Table 59.0%Crown 35.5°Girdle: MED-THKPavilion 39.4°Culet: NoneDepth 67.3%

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 4
Current: £1,508 GBP|Low: £176 GBP|High: £1,508 GBP|Avg: £570 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 8£176 GBP
Retailer 6£325 GBP
Retailer 7£335 GBP
Retailer 4£371 GBP
Retailer 9£381 GBP
Retailer 2£402 GBP
Retailer 3£527 GBP
Retailer 10£819 GBP
Retailer 5£862 GBP
Do Amore Diamonds£1,508 GBP

43 data points across 10 retailers

10 retailers£176 GBP to £1,508 GBP

A
Cheapest Retailer
-
£176 GBP
Final sale: no returns
A
Retailer 2
-
£325 GBP
View
A
Retailer 3
-
£335 GBP
View
A
Retailer 4
-
£371 GBP
View
A
Retailer 5
-
£381 GBP
View
A
Retailer 6
-
£402 GBP
View
B+
Retailer 7
-
£527 GBP
View
B
Retailer 8
-
£819 GBP
View
B
Retailer 9
-
£862 GBP
View
Most Expensive
B
Do Amore Diamonds
27-C59A36436 · Nov 4
£1,508 GBP
$2,030 USD
View
9 more retailers have this diamond
Prices start from £176 GBPSave up to £1,332 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
1.39ct Cushion
£176 GBP