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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 $740 AUD
$520 USD
As of October 31, 2026
Save $4,954 AUD (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,694 AUD at Brilliant Earth · As of October 30, 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 30, 2026, with prices from $740 to $5,694, a $4,954 spread on the same certified stone. Brilliant Earth lists it at $5,694. 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
Colour
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 31
Current: $5,694 AUD|Low: $530 AUD|High: $8,399 AUD|Avg: $2,947 AUD|-32.2%
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
October 31, 2026
Retailer 5$740 AUD
Retailer 9$988 AUD
Retailer 7$1,075 AUD
Retailer 11$1,179 AUD
Retailer 2$1,289 AUD
Retailer 4$1,916 AUD
Retailer 8$1,920 AUD
Retailer 13$2,188 AUD
Retailer 12$3,034 AUD
Retailer 3$4,677 AUD
Retailer 6$4,967 AUD
Retailer 10$5,353 AUD
Brilliant Earth$5,694 AUD

34 data points across 13 retailers

13 retailers$740 AUD to $5,694 AUD

A
Cheapest Retailer
-
$740 AUD
$520 USD
Final sale: no returns
A
Retailer 2
-
$988 AUD
$694 USD
View
A
Retailer 3
-
$1,075 AUD
$755 USD
View
A
Retailer 4
-
$1,179 AUD
$828 USD
View
A
Retailer 5
-
$1,289 AUD
€862 EUR
View
A
Retailer 6
-
$1,916 AUD
$1,346 USD
View
A
Retailer 7
-
$1,920 AUD
View
A
Retailer 8
-
$2,188 AUD
$1,537 USD
View
B+
Retailer 9
-
$3,034 AUD
£1,678 GBP
View
Retailer 10
-
$4,677 AUD
$3,285 USD
View
Price last confirmed 10 days ago
B
Retailer 11
-
$4,967 AUD
View
B
Retailer 12
-
$5,353 AUD
$3,760 USD
View
Most Expensive
B
Brilliant Earth
13958113Y · Oct 30
$5,694 AUD
$4,000 USD
View
12 more retailers have this diamond
Prices start from $740 AUDSave up to $4,954 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
1.98ct Cushion
$740 AUD