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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 £621 GBP
HK$6,500 HKD
As of October 31, 2026
Save £2,132 GBP (77%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £2,752 GBP 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 £621 to £2,752, a £2,132 spread on the same certified stone. Blue Nile lists it at £2,752. 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

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 31
Current: £2,752 GBP|Low: £621 GBP|High: £2,752 GBP|Avg: £1,533 GBP
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 31, 2026
Retailer 10£621 GBP
Retailer 9£639 GBP
Retailer 11£702 GBP
Retailer 2£762 GBP
Retailer 7£775 GBP
Retailer 12£1,000 GBP
Retailer 3£1,170 GBP
Retailer 4£1,704 GBP
Retailer 13£1,805 GBP
Retailer 8£2,089 GBP
Retailer 5£2,485 GBP
Retailer 6£2,604 GBP
Blue Nile£2,752 GBP

41 data points across 13 retailers

14 retailers£621 GBP to £2,752 GBP

A
Cheapest Retailer
-
£621 GBP
HK$6,500 HKD
A
Retailer 2
-
£639 GBP
$856 USD
View
A
Retailer 3
-
£702 GBP
$940 USD
View
A
Retailer 4
-
£762 GBP
€972 EUR
View
A
Retailer 5
-
£775 GBP
View
A
Retailer 6
-
£1,000 GBP
$1,340 USD
View
A
Retailer 7
-
£1,170 GBP
$1,568 USD
View
B+
Retailer 8
-
£1,704 GBP
$2,283 USD
View
B+
Retailer 9
-
£1,805 GBP
SGD 3,269 SGD
View
B+
Retailer 10
-
£2,089 GBP
View
B+
Retailer 11
-
£2,485 GBP
$3,330 USD
View
Retailer 12
-
£2,485 GBP
$3,330 USD
View
Price last confirmed 13 days ago
B+
Retailer 13
-
£2,604 GBP
A$5,368 AUD
View
Most Expensive
B
Blue Nile
28929413 · Oct 31
£2,752 GBP
$3,688 USD
View
13 more retailers have this diamond
Prices start from £621 GBPSave up to £2,132 GBP

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
£621 GBP