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Cushion|Lab Grown|IGI

1.84ct D VS2 Cushion Lab Grown Diamond

ID • D/VS2 • IGI LG657418390

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG657418390

Diamond specifications and retailer prices

From $639 NZD
$360 USD
As of October 25, 2026
Save $2,165 NZD (77%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,803 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.84ct lab-grown cushion diamond

This 1.84ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG657418390 or 657418390. Listed at 13 retailers as of October 25, 2026, with prices from $639 to $2,803, a $2,165 spread on the same certified stone. Brilliant Earth lists it at $2,803. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.84
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG657418390
Dimensions10.37 × 7.13 × 4.39 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.37 mm7.13 mm1.84 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG657418390
Side View
Table 63.0%Crown 36.5°Girdle: MED-STKPavilion 40°Culet: NoneDepth 67.8%

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 25
Current: $2,803 NZD|Low: $632 NZD|High: $2,928 NZD|Avg: $1,566 NZD|-4.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 10$639 NZD
Retailer 11$714 NZD
Retailer 6$914 NZD
Retailer 7$961 NZD
Retailer 5$1,049 NZD
Retailer 2$1,119 NZD
Retailer 13$1,256 NZD
Retailer 3$1,317 NZD
Retailer 4$2,137 NZD
Retailer 9$2,165 NZD
Retailer 12$2,454 NZD
Retailer 8$2,571 NZD
Brilliant Earth$2,803 NZD

38 data points across 13 retailers

13 retailers$639 NZD to $2,803 NZD

A
Cheapest Retailer
-
$639 NZD
$360 USD
Retailer 2
-
$714 NZD
£317 GBP
View
Price last confirmed 14 days ago
A
Retailer 3
-
$914 NZD
$515 USD
View
A
Retailer 4
-
$961 NZD
€516 EUR
View
A
Retailer 5
-
$1,049 NZD
$591 USD
View
A
Retailer 6
-
$1,119 NZD
£497 GBP
View
B+
Retailer 7
-
$1,256 NZD
$708 USD
View
B+
Retailer 8
-
$1,317 NZD
$742 USD
View
Retailer 9
-
$2,137 NZD
$1,205 USD
View
Price last confirmed 12 days ago
Retailer 10
-
$2,165 NZD
$1,220 USD
View
Price last confirmed 9 days ago
B
Retailer 11
-
$2,454 NZD
$1,383 USD
View
B
Retailer 12
-
$2,571 NZD
£1,141 GBP
View
Most Expensive
B
Brilliant Earth
11953474A · Oct 29
$2,803 NZD
$1,580 USD
View
12 more retailers have this diamond
Prices start from $639 NZDSave up to $2,165 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
1.84ct Cushion
$639 NZD