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Cushion|Lab Grown|IGI

1.98ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG754508823

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG754508823

Diamond specifications and retailer prices

From $1,184 AUD
HK$6,500 HKD
As of October 31, 2026
Save $4,066 AUD (77%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,250 AUD at Blue Nile · As of October 31, 2026
View at Blue Nile

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 LG754508823 or 754508823. Listed at 14 retailers as of October 31, 2026, with prices from $1,184 to $5,250, a $4,066 spread on the same certified stone. Blue Nile lists it at $5,250. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754508823
Dimensions6.80 × 6.80 × 4.52 mm
L/W Ratio1.00
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
6.80 mm6.80 mm1.98 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754508823
Side View
Table 59.0%Crown 34.9°Girdle: MED-STKPavilion 36.4°Culet: NoneDepth 66.5%

Caratlytics Score

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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 31
Current: $5,250 AUD|Low: $1,184 AUD|High: $5,250 AUD|Avg: $2,877 AUD
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 10$1,184 AUD
Retailer 9$1,219 AUD
Retailer 11$1,338 AUD
Retailer 7$1,453 AUD
Retailer 6$1,479 AUD
Retailer 12$1,908 AUD
Retailer 3$2,232 AUD
Retailer 4$3,250 AUD
Retailer 13$3,444 AUD
Retailer 2$3,965 AUD
Retailer 5$4,741 AUD
Retailer 8$4,967 AUD
Blue Nile$5,250 AUD

42 data points across 13 retailers

14 retailers$1,184 AUD to $5,250 AUD

A
Cheapest Retailer
-
$1,184 AUD
HK$6,500 HKD
A
Retailer 2
-
$1,219 AUD
$856 USD
View
A
Retailer 3
-
$1,338 AUD
$940 USD
View
A
Retailer 4
-
$1,453 AUD
€972 EUR
View
A
Retailer 5
-
$1,479 AUD
£818 GBP
View
A
Retailer 6
-
$1,908 AUD
$1,340 USD
View
A
Retailer 7
-
$2,232 AUD
$1,568 USD
View
B+
Retailer 8
-
$3,250 AUD
$2,283 USD
View
B+
Retailer 9
-
$3,444 AUD
SGD 3,269 SGD
View
B+
Retailer 10
-
$3,965 AUD
£2,193 GBP
View
B+
Retailer 11
-
$4,741 AUD
$3,330 USD
View
Retailer 12
-
$4,741 AUD
$3,330 USD
View
Price last confirmed 13 days ago
B+
Retailer 13
-
$4,967 AUD
View
Most Expensive
B
Blue Nile
28929413 · Oct 31
$5,250 AUD
$3,688 USD
View
13 more retailers have this diamond
Prices start from $1,184 AUDSave up to $4,066 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
$1,184 AUD