Cushion|Lab Grown|IGI

1.87ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG662455746

Shape and cutting style on the report: Square cushion cut

Certificate IGI LG662455746

Diamond specifications and retailer prices

From $447 AUD
$314 USD
As of October 29, 2026
Save $3,511 AUD (89%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,958 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 top-tier cut grade and certified by IGI LG662455746 or 662455746. Listed at 19 retailers as of October 29, 2026, with prices from $447 to $3,958, a $3,511 spread on the same certified stone. Brilliant Earth lists it at $3,958. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.87
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG662455746
Dimensions7.18 × 7.05 × 4.75 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
7.18 mm7.05 mm1.87 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG662455746
Side View
Table 61.0%Crown 36°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 67.4%

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 29
Current: $3,958 AUD|Low: $363 AUD|High: $4,157 AUD|Avg: $1,275 AUD|-4.5%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 31, 2026
Retailer 4$447 AUD
Retailer 9$498 AUD
Retailer 15$518 AUD
Retailer 18$554 AUD
Retailer 19$554 AUD
Retailer 17$620 AUD
Retailer 14$776 AUD
Retailer 12$825 AUD
Retailer 10$901 AUD
Retailer 2$979 AUD
Retailer 7$1,109 AUD
Retailer 16$1,624 AUD
Retailer 3$1,780 AUD
Retailer 8$1,845 AUD
Retailer 6$2,128 AUD
Retailer 11$2,216 AUD
Retailer 13$2,231 AUD
Retailer 5$2,516 AUD
Brilliant Earth$3,958 AUD

37 data points across 19 retailers

19 retailers$447 AUD to $3,958 AUD

A
Cheapest Retailer
-
$447 AUD
$314 USD
A
Retailer 2
-
$498 AUD
$350 USD
View
Final sale: no returns
A
Retailer 3
-
$518 AUD
$364 USD
View
A
Retailer 4
-
$554 AUD
$389 USD
View
A
Retailer 5
-
$554 AUD
$389 USD
View
Retailer 6
-
$620 AUD
£343 GBP
View
Price last confirmed 14 days ago
A
Retailer 7
-
$776 AUD
$545 USD
View
A
Retailer 8
-
$825 AUD
€552 EUR
View
A
Retailer 9
-
$901 AUD
$633 USD
View
A
Retailer 10
-
$979 AUD
£541 GBP
View
A
Retailer 11
-
$1,109 AUD
$779 USD
View
B+
Retailer 12
-
$1,624 AUD
$1,141 USD
View
B
Retailer 13
-
$1,780 AUD
$1,250 USD
View
B
Retailer 14
-
$1,845 AUD
$1,296 USD
View
B
Retailer 15
-
$2,128 AUD
$1,495 USD
View
B
Retailer 16
-
$2,216 AUD
$1,556 USD
View
B
Retailer 17
-
$2,231 AUD
£1,234 GBP
View
B
Retailer 18
-
$2,516 AUD
$1,767 USD
View
Most Expensive
B
Brilliant Earth
20358781A · Oct 30
$3,958 AUD
$2,780 USD
View
18 more retailers have this diamond
Prices start from $447 AUDSave up to $3,511 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
$447 AUD