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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 $241 USD
As of October 28, 2026
Save $1,639 USD (87%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,880 USD 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 $241 to $1,880, a $1,639 spread on the same certified stone. Do Amore Diamonds lists it at $1,880. 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
Color
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: $1,880 USD|Low: $162 USD|High: $2,070 USD|Avg: $818 USD|-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$241 USD
Retailer 2$329 USD
Retailer 4$424 USD
Retailer 9$484 USD
Retailer 10$574 USD
Retailer 8$619 USD
Retailer 7$1,044 USD
Retailer 3$1,076 USD
Retailer 5$1,310 USD
Do Amore Diamonds$1,880 USD

32 data points across 10 retailers

7 retailers$241 USD to $1,880 USD

A
Cheapest Retailer
-
$241 USD
Final sale: no returns
A
Retailer 2
-
$329 USD
£259 GBP
View
B+
Retailer 3
-
$424 USD
View
B+
Retailer 4
-
$1,076 USD
£847 GBP
View
B
Retailer 5
-
$1,310 USD
View
B
Retailer 6
-
$1,500 USD
View
Most Expensive
B
Do Amore Diamonds
27-F77336113 · Oct 27
$1,880 USD
View
6 more retailers have this diamond
Prices start from $241 USDSave up to $1,639 USD

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
$241 USD