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Cushion|Lab Grown|IGI

1.56ct G VS2 Cushion Lab Grown Diamond

EX • G/VS2 • IGI LG620485620

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG620485620

Diamond specifications and retailer prices

From £325 GBP
$435 USD
As of October 25, 2026
Save £1,123 GBP (78%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,448 GBP at Do Amore Diamonds · As of October 27, 2026
View at Do Amore Diamonds

About this 1.56ct lab-grown cushion diamond

This 1.56ct lab-grown cushion sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG620485620 or 620485620. Listed at 3 retailers as of October 25, 2026, with prices from £325 to £1,448, a £1,123 spread on the same certified stone. Do Amore Diamonds lists it at £1,448. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
G
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620485620
Dimensions6.81 × 6.74 × 4.47 mm
L/W Ratio1.01
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
6.81 mm6.74 mm1.56 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620485620
Side View
Table 61.0%Crown 34.9°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 66.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 25
Current: £1,448 GBP|Low: £298 GBP|High: £1,530 GBP|Avg: £690 GBP|+3.2%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 25, 2026
Retailer 5£325 GBP
Retailer 10£359 GBP
Retailer 9£364 GBP
Retailer 11£420 GBP
Retailer 3£549 GBP
Retailer 12£677 GBP
Retailer 8£731 GBP
Retailer 6£799 GBP
Retailer 4£819 GBP
Retailer 2£830 GBP
Retailer 7£897 GBP
Do Amore Diamonds£1,448 GBP

12 data points across 12 retailers

3 retailers£325 GBP to £1,448 GBP

B+
Cheapest Retailer
-
£325 GBP
$435 USD
B
Retailer 2
-
£830 GBP
View
Most Expensive
B
Do Amore Diamonds
27-BA59F04B6 · Oct 27
£1,448 GBP
$1,940 USD
View
2 more retailers have this diamond
Prices start from £325 GBPSave up to £1,123 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.

B+
1.56ct Cushion
£325 GBP