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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 $584 NZD
£259 GBP
As of October 27, 2026
Save $2,752 NZD (82%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $3,336 NZD 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 $584 to $3,336, a $2,752 spread on the same certified stone. Do Amore Diamonds lists it at $3,336. 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: $3,336 NZD|Low: $287 NZD|High: $3,673 NZD|Avg: $1,451 NZD|-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$428 NZD
Retailer 2$584 NZD
Retailer 4$752 NZD
Retailer 9$860 NZD
Retailer 10$1,018 NZD
Retailer 8$1,098 NZD
Retailer 7$1,853 NZD
Retailer 3$1,909 NZD
Retailer 5$2,324 NZD
Do Amore Diamonds$3,336 NZD

32 data points across 10 retailers

6 retailers$584 NZD to $3,336 NZD

A
Cheapest Retailer
-
$584 NZD
£259 GBP
Retailer 2
-
$752 NZD
$424 USD
View
Price last confirmed 7 days ago
B+
Retailer 3
-
$1,909 NZD
£847 GBP
View
B
Retailer 4
-
$2,324 NZD
$1,310 USD
View
B
Retailer 5
-
$2,661 NZD
$1,500 USD
View
Most Expensive
B
Do Amore Diamonds
27-F77336113 · Oct 27
$3,336 NZD
$1,880 USD
View
5 more retailers have this diamond
Prices start from $584 NZDSave up to $2,752 NZD

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
$584 NZD