CaratHunter
Plans
Cushion|Lab Grown|IGI

1.87ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG786648222

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG786648222

Diamond specifications and retailer prices

From $678 AUD
$476 USD
As of October 30, 2026
Save $4,817 AUD (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,495 AUD at Brilliant Earth · As of October 31, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG786648222 or 786648222. Listed at 19 retailers as of October 30, 2026, with prices from $678 to $5,495, a $4,817 spread on the same certified stone. Brilliant Earth lists it at $5,495. 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786648222
Dimensions8.87 × 6.30 × 4.29 mm
L/W Ratio1.41
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
8.87 mm6.30 mm1.87 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786648222
Side View
Table 59.0%Crown 36.1°Girdle: MED-STKPavilion 35.1°Culet: NoneDepth 68.1%

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: $5,495 AUD|Low: $678 AUD|High: $7,759 AUD|Avg: $2,587 AUD|-29.2%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 31, 2026
Retailer 7$678 AUD
Retailer 17$1,139 AUD
Retailer 8$1,186 AUD
Retailer 2$1,197 AUD
Retailer 5$1,221 AUD
Retailer 11$1,240 AUD
Retailer 14$1,292 AUD
Retailer 12$1,752 AUD
Retailer 16$1,780 AUD
Retailer 6$2,175 AUD
Retailer 9$2,392 AUD
Retailer 4$2,464 AUD
Retailer 13$2,777 AUD
Retailer 3$2,816 AUD
Retailer 10$4,560 AUD
Retailer 15$4,819 AUD
Brilliant Earth$5,495 AUD

42 data points across 17 retailers

19 retailers$678 AUD to $5,495 AUD

A
Cheapest Retailer
-
$678 AUD
$476 USD
Final sale: no returns
A
Retailer 2
-
$1,139 AUD
$800 USD
View
A
Retailer 3
-
$1,186 AUD
$833 USD
View
A
Retailer 4
-
$1,197 AUD
€801 EUR
View
A
Retailer 5
-
$1,221 AUD
$858 USD
View
A
Retailer 6
-
$1,240 AUD
£686 GBP
View
A
Retailer 7
-
$1,292 AUD
ZAR 14,666 ZAR
View
A
Retailer 8
-
$1,752 AUD
View
A
Retailer 9
-
$1,780 AUD
$1,250 USD
View
A
Retailer 10
-
$2,175 AUD
$1,528 USD
View
A
Retailer 11
-
$2,392 AUD
SGD 2,271 SGD
View
B+
Retailer 12
-
$2,464 AUD
$1,731 USD
View
B+
Retailer 13
-
$2,625 AUD
$1,844 USD
View
B+
Retailer 14
-
$2,777 AUD
£1,536 GBP
View
B+
Retailer 15
-
$2,816 AUD
$1,978 USD
View
Retailer 16
-
$3,623 AUD
£2,004 GBP
View
Price last confirmed 23 days ago
B
Retailer 17
-
$4,560 AUD
View
Retailer 18
-
$4,819 AUD
$3,385 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
18398244A · Oct 31
$5,495 AUD
$3,860 USD
View
18 more retailers have this diamond
Prices start from $678 AUDSave up to $4,817 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
$678 AUD