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Cushion|Lab Grown|IGI

1.98ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG704564474

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG704564474

Diamond specifications and retailer prices

From $520 USD
As of October 28, 2026
Save $5,200 USD (91%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,720 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.98ct lab-grown cushion diamond

This 1.98ct 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 LG704564474 or 704564474. Listed at 13 retailers as of October 28, 2026, with prices from $520 to $5,720, a $5,200 spread on the same certified stone. Brilliant Earth lists it at $5,720. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.98
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG704564474
Dimensions8.03 × 6.71 × 4.74 mm
L/W Ratio1.20
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
8.03 mm6.71 mm1.98 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG704564474
Side View
Table 62.0%Crown 36.5°Girdle: STK-THKPavilion 38.7°Culet: NoneDepth 70.6%

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 28
Current: $5,720 USD|Low: $372 USD|High: $5,900 USD|Avg: $2,084 USD|-3.1%
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 28, 2026
Retailer 5$520 USD
Retailer 2$670 USD
Retailer 7$694 USD
Retailer 9$828 USD
Retailer 6$903 USD
Retailer 3$1,346 USD
Retailer 12$1,386 USD
Retailer 11$1,537 USD
Retailer 10$2,131 USD
Retailer 13$3,285 USD
Retailer 4$3,518 USD
Retailer 8$3,760 USD
Brilliant Earth$5,720 USD

31 data points across 13 retailers

13 retailers$520 USD to $5,720 USD

A
Cheapest Retailer
-
$520 USD
Final sale: no returns
A
Retailer 2
-
$670 USD
View
A
Retailer 3
-
$694 USD
View
A
Retailer 4
-
$828 USD
View
A
Retailer 5
-
$903 USD
€860 EUR
View
A
Retailer 6
-
$1,346 USD
View
A
Retailer 7
-
$1,386 USD
A$2,133 AUD
View
Price last confirmed 9 days ago
A
Retailer 8
-
$1,537 USD
View
B+
Retailer 9
-
$2,131 USD
£1,678 GBP
View
B+
Retailer 10
-
$3,285 USD
View
Price last confirmed 7 days ago
B+
Retailer 11
-
$3,518 USD
A$5,412 AUD
View
Price last confirmed 25 days ago
B
Retailer 12
-
$3,760 USD
View
Most Expensive
B
Brilliant Earth
13958113Y · Oct 28
$5,720 USD
View
12 more retailers have this diamond
Prices start from $520 USDSave up to $5,200 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
1.98ct Cushion
$520 USD