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Cushion|Lab Grown|IGI

1.78ct G VS2 Cushion Lab Grown Diamond

VG • G/VS2 • IGI LG615343922

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG615343922

Diamond specifications and retailer prices

From £180 GBP
$241 USD
As of October 28, 2026
Save £1,223 GBP (87%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,403 GBP at Do Amore Diamonds · As of October 27, 2026
View at Do Amore Diamonds

About this 1.78ct lab-grown cushion diamond

This 1.78ct 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 very-good cut grade and certified by IGI LG615343922 or 615343922. Listed at 7 retailers as of October 27, 2026, with prices from £180 to £1,403, a £1,223 spread on the same certified stone. Do Amore Diamonds lists it at £1,403. 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

1.78
Carat
G
Colour
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG615343922
Dimensions8.98 × 6.12 × 4.17 mm
L/W Ratio1.47
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
8.98 mm6.12 mm1.78 ctG / VS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG615343922
Side View
Table 59.0%Crown 35.8°Girdle: MED-STKPavilion 36.1°Culet: NoneDepth 68.1%

Caratlytics Score

How it works →
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 28
Current: £1,403 GBP|Low: £121 GBP|High: £1,545 GBP|Avg: £610 GBP|-9.2%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 27, 2026
Retailer 6£180 GBP
Retailer 2£246 GBP
Retailer 4£316 GBP
Retailer 9£362 GBP
Retailer 10£428 GBP
Retailer 8£462 GBP
Retailer 7£779 GBP
Retailer 3£803 GBP
Retailer 5£978 GBP
Do Amore Diamonds£1,403 GBP

32 data points across 10 retailers

7 retailers£180 GBP to £1,403 GBP

A
Cheapest Retailer
-
£180 GBP
$241 USD
Final sale: no returns
A
Retailer 2
-
£246 GBP
View
B+
Retailer 3
-
£316 GBP
$424 USD
View
B+
Retailer 4
-
£803 GBP
View
B
Retailer 5
-
£978 GBP
$1,310 USD
View
B
Retailer 6
-
£1,119 GBP
$1,500 USD
View
Most Expensive
B
Do Amore Diamonds
27-F77336113 · Oct 27
£1,403 GBP
$1,880 USD
View
6 more retailers have this diamond
Prices start from £180 GBPSave up to £1,223 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
1.78ct Cushion
£180 GBP