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Cushion|Lab Grown|IGI

1.87ct D VS1 Cushion Lab Grown Diamond

VG • D/VS1 • IGI LG831617193

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG831617193

Diamond specifications and retailer prices

From $440 AUD
$309 USD
As of October 30, 2026
Save $1,607 AUD (79%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,071 AUD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.87ct lab-grown cushion diamond

This 1.87ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG831617193 or 831617193. Listed at 14 retailers as of October 30, 2026, with a 365% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.87
Carat
D
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831617193
Dimensions7.19 × 7.08 × 4.80 mm
L/W Ratio1.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.19 mm7.08 mm1.87 ctD / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831617193
Side View
Table 62.0%Crown 35.5°Girdle: MED-STKPavilion 39.8°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 30
Current: $2,071 AUD|Low: $423 AUD|High: $2,100 AUD|Avg: $1,193 AUD|-1.4%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 31, 2026
Retailer 4$440 AUD
Retailer 11$546 AUD
Retailer 12$762 AUD
Retailer 5$806 AUD
Retailer 7$825 AUD
Retailer 10$838 AUD
Retailer 2$859 AUD
Retailer 14$1,090 AUD
Retailer 9$1,134 AUD
Retailer 3$1,641 AUD
Retailer 13$1,878 AUD
Retailer 8$1,965 AUD
Retailer 6$2,046 AUD
Rare Carat$2,071 AUD

38 data points across 14 retailers

14 retailers$440 AUD to $2,046 AUD

A
Cheapest Retailer
-
$440 AUD
$309 USD
Final sale: no returns
Retailer 2
-
$546 AUD
£302 GBP
View
Price last confirmed 14 days ago
A
Retailer 3
-
$762 AUD
$535 USD
View
A
Retailer 4
-
$806 AUD
$566 USD
View
A
Retailer 5
-
$825 AUD
€552 EUR
View
A
Retailer 6
-
$838 AUD
ZAR 9,514 ZAR
View
A
Retailer 7
-
$859 AUD
£475 GBP
View
B+
Retailer 8
-
$1,090 AUD
$766 USD
View
B+
Retailer 9
-
$1,134 AUD
View
B
Retailer 10
-
$1,641 AUD
$1,153 USD
View
B
Retailer 11
-
$1,878 AUD
$1,319 USD
View
B
Retailer 12
-
$1,965 AUD
£1,087 GBP
View
B
Retailer 13
-
$2,046 AUD
$1,438 USD
View
Most Expensive
Rare Carat
1009775 · Oct 21
$2,071 AUD
$1,455 USD
View
Price last confirmed 10 days ago
13 more retailers have this diamond
Prices start from $440 AUDSave up to $1,607 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
1.87ct Cushion
$440 AUD