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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 $469 AUD
£259 GBP
As of October 27, 2026
Save $2,208 AUD (82%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,676 AUD 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 6 retailers as of October 27, 2026, with prices from $469 to $2,676, a $2,208 spread on the same certified stone. Do Amore Diamonds lists it at $2,676. 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

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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 27
Current: $2,676 AUD|Low: $231 AUD|High: $2,947 AUD|Avg: $1,164 AUD|-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$343 AUD
Retailer 2$469 AUD
Retailer 4$604 AUD
Retailer 9$690 AUD
Retailer 10$817 AUD
Retailer 8$881 AUD
Retailer 7$1,487 AUD
Retailer 3$1,531 AUD
Retailer 5$1,865 AUD
Do Amore Diamonds$2,676 AUD

32 data points across 10 retailers

6 retailers$469 AUD to $2,676 AUD

A
Cheapest Retailer
-
$469 AUD
£259 GBP
B+
Retailer 2
-
$604 AUD
$424 USD
View
B+
Retailer 3
-
$1,531 AUD
£847 GBP
View
B
Retailer 4
-
$1,865 AUD
$1,310 USD
View
B
Retailer 5
-
$2,135 AUD
$1,500 USD
View
Most Expensive
B
Do Amore Diamonds
27-F77336113 · Oct 27
$2,676 AUD
$1,880 USD
View
5 more retailers have this diamond
Prices start from $469 AUDSave up to $2,208 AUD

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
$469 AUD