Cushion|Lab Grown|IGI

1.81ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG844644968

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG844644968

Diamond specifications and retailer prices

From $575 USD
£453 GBP
As of October 29, 2026
Save $3,715 USD (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,290 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.81ct lab-grown cushion diamond

This 1.81ct 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 LG844644968 or 844644968. Listed at 13 retailers as of October 28, 2026, with prices from $575 to $4,290, a $3,715 spread on the same certified stone. Brilliant Earth lists it at $4,290. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.81
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844644968
Dimensions8.58 × 6.22 × 4.34 mm
L/W Ratio1.38
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
8.58 mm6.22 mm1.81 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844644968
Side View
Table 61.0%Crown 32.4°Girdle: STK-THKPavilion 36.5°Culet: NoneDepth 69.8%

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: $4,290 USD|Low: $573 USD|High: $4,290 USD|Avg: $1,890 USD
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
October 29, 2026
Retailer 2$575 USD
Retailer 9$655 USD
Retailer 6$700 USD
Retailer 8$777 USD
Retailer 7$875 USD
Retailer 4$1,137 USD
Retailer 12$1,446 USD
Retailer 11$1,990 USD
Retailer 5$2,124 USD
Retailer 3$3,270 USD
Retailer 13$3,419 USD
Retailer 10$3,510 USD
Brilliant Earth$4,290 USD

14 data points across 13 retailers

13 retailers$575 USD to $4,290 USD

A
Cheapest Retailer
-
$575 USD
£453 GBP
A
Retailer 2
-
$655 USD
View
A
Retailer 3
-
$700 USD
View
A
Retailer 4
-
$777 USD
View
A
Retailer 5
-
$875 USD
€833 EUR
View
A
Retailer 6
-
$1,137 USD
View
A
Retailer 7
-
$1,446 USD
View
B+
Retailer 8
-
$1,990 USD
£1,567 GBP
View
B+
Retailer 9
-
$2,124 USD
View
Price last confirmed 13 days ago
B
Retailer 10
-
$3,270 USD
View
Price last confirmed 7 days ago
B
Retailer 11
-
$3,419 USD
View
B+
Retailer 12
-
$3,510 USD
View
Most Expensive
B
Brilliant Earth
22165855Y · Oct 28
$4,290 USD
View
12 more retailers have this diamond
Prices start from $575 USDSave up to $3,715 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
1.81ct Cushion
$575 USD