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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 $832 USD
HK$6,500 HKD
As of October 29, 2026
Save $2,856 USD (77%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,688 USD at Blue Nile · As of October 29, 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 29, 2026, with prices from $832 to $3,688, a $2,856 spread on the same certified stone. Blue Nile lists it at $3,688. 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
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

How it works →
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 29
Current: $3,688 USD|Low: $832 USD|High: $3,688 USD|Avg: $2,050 USD
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
October 29, 2026
Retailer 9$832 USD
Retailer 8$856 USD
Retailer 10$940 USD
Retailer 7$1,020 USD
Retailer 6$1,032 USD
Retailer 11$1,340 USD
Retailer 13$1,568 USD
Retailer 3$2,283 USD
Retailer 12$2,419 USD
Retailer 2$2,799 USD
Retailer 4$3,330 USD
Retailer 5$3,539 USD
Blue Nile$3,688 USD

40 data points across 13 retailers

14 retailers$832 USD to $3,688 USD

A
Cheapest Retailer
-
$832 USD
HK$6,500 HKD
A
Retailer 2
-
$856 USD
View
A
Retailer 3
-
$940 USD
View
A
Retailer 4
-
$1,020 USD
€971 EUR
View
A
Retailer 5
-
$1,032 USD
£813 GBP
View
A
Retailer 6
-
$1,340 USD
View
A
Retailer 7
-
$1,568 USD
View
B+
Retailer 8
-
$2,283 USD
View
B+
Retailer 9
-
$2,419 USD
SGD 3,269 SGD
View
B+
Retailer 10
-
$2,799 USD
£2,204 GBP
View
B+
Retailer 11
-
$3,330 USD
View
B+
Retailer 12
-
$3,330 USD
View
Price last confirmed 10 days ago
B
Retailer 13
-
$3,539 USD
A$5,445 AUD
View
Price last confirmed 20 days ago
Most Expensive
B
Blue Nile
28929413 · Oct 29
$3,688 USD
View
13 more retailers have this diamond
Prices start from $832 USDSave up to $2,856 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
$832 USD