CaratHunter
Plans
Cushion|Lab Grown|IGI

1.87ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG626412407

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG626412407

Diamond specifications and retailer prices

From $470 AUD
$330 USD
As of October 30, 2026
Save $3,474 AUD (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,943 AUD at Brilliant Earth · As of October 29, 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 LG626412407 or 626412407. Listed at 19 retailers as of October 29, 2026, with prices from $470 to $3,943, a $3,474 spread on the same certified stone. Brilliant Earth lists it at $3,943. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG626412407
Dimensions7.16 × 7.16 × 4.82 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.16 mm7.16 mm1.87 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG626412407
Side View
Table 61.0%Crown 35.7°Girdle: THN-STKPavilion 40.4°Culet: NoneDepth 67.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $3,943 AUD|Low: $470 AUD|High: $4,271 AUD|Avg: $1,426 AUD|-7.7%
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
October 31, 2026
Retailer 6$470 AUD
Retailer 14$522 AUD
Retailer 2$852 AUD
Retailer 4$857 AUD
Retailer 11$861 AUD
Retailer 10$898 AUD
Retailer 7$927 AUD
Retailer 5$1,019 AUD
Retailer 9$1,216 AUD
Retailer 13$1,836 AUD
Retailer 3$1,873 AUD
Retailer 12$2,100 AUD
Retailer 8$2,106 AUD
Brilliant Earth$3,943 AUD

43 data points across 14 retailers

19 retailers$470 AUD to $3,943 AUD

A
Cheapest Retailer
-
$470 AUD
$330 USD
Final sale: no returns
A
Retailer 2
-
$522 AUD
$367 USD
View
A
Retailer 3
-
$852 AUD
€570 EUR
View
A
Retailer 4
-
$857 AUD
$602 USD
View
A
Retailer 5
-
$861 AUD
$605 USD
View
A
Retailer 6
-
$898 AUD
ZAR 10,195 ZAR
View
A
Retailer 7
-
$927 AUD
£513 GBP
View
A
Retailer 8
-
$1,019 AUD
$716 USD
View
B+
Retailer 9
-
$1,100 AUD
$773 USD
View
B+
Retailer 10
-
$1,216 AUD
View
B
Retailer 11
-
$1,749 AUD
$1,229 USD
View
B
Retailer 12
-
$1,787 AUD
$1,255 USD
View
B+
Retailer 13
-
$1,836 AUD
$1,290 USD
View
Retailer 14
-
$1,873 AUD
View
Price last confirmed 29 days ago
B
Retailer 15
-
$2,039 AUD
£1,128 GBP
View
Retailer 16
-
$2,100 AUD
$1,475 USD
View
Price last confirmed 12 days ago
B
Retailer 17
-
$2,106 AUD
£1,165 GBP
View
B
Retailer 18
-
$2,283 AUD
$1,604 USD
View
Most Expensive
B
Brilliant Earth
9567830A · Oct 29
$3,943 AUD
$2,770 USD
View
18 more retailers have this diamond
Prices start from $470 AUDSave up to $3,474 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
$470 AUD