Cushion|Lab Grown|IGI

1.82ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG841678784

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG841678784

Diamond specifications and retailer prices

From $627 USD
£493 GBP
As of October 29, 2026
Save $3,683 USD (85%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,310 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.82ct lab-grown cushion diamond

This 1.82ct 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 LG841678784 or 841678784. Listed at 10 retailers as of October 28, 2026, with prices from $627 to $4,310, a $3,683 spread on the same certified stone. Brilliant Earth lists it at $4,310. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.82
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle37°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841678784
Dimensions9.42 × 6.13 × 4.04 mm
L/W Ratio1.54
Girdle conditionFaceted
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
9.42 mm6.13 mm1.82 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841678784
Side View
Table 58.0%Crown 33.1°Girdle: MED-STKPavilion 37°Culet: NoneDepth 65.9%

Caratlytics Score

How it works →
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: $4,310 USD|Low: $624 USD|High: $4,740 USD|Avg: $2,251 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 4$627 USD
Retailer 5$770 USD
Retailer 7$839 USD
Retailer 2$926 USD
Retailer 9$1,158 USD
Retailer 8$2,167 USD
Retailer 11$2,688 USD
Retailer 10$3,285 USD
Retailer 6$3,820 USD
Retailer 3$3,942 USD
Brilliant Earth$4,310 USD

20 data points across 11 retailers

10 retailers$627 USD to $4,310 USD

A
Cheapest Retailer
-
$627 USD
£493 GBP
A
Retailer 2
-
$770 USD
View
A
Retailer 3
-
$839 USD
View
A
Retailer 4
-
$926 USD
€882 EUR
View
A
Retailer 5
-
$1,158 USD
View
B+
Retailer 6
-
$2,167 USD
£1,706 GBP
View
B+
Retailer 7
-
$2,688 USD
View
Price last confirmed 13 days ago
B+
Retailer 8
-
$3,285 USD
View
Price last confirmed 8 days ago
B
Retailer 9
-
$3,820 USD
View
Most Expensive
B
Brilliant Earth
22165427Y · Oct 28
$4,310 USD
View
9 more retailers have this diamond
Prices start from $627 USDSave up to $3,683 USD

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
1.82ct Cushion
$627 USD