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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 £388 GBP
$520 USD
As of October 31, 2026
Save £2,597 GBP (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,985 GBP 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 £388 to £2,985, a £2,597 spread on the same certified stone. Brilliant Earth lists it at £2,985. 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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Price History

Last verified: Oct 31
Current: £2,985 GBP|Low: £388 GBP|High: £4,403 GBP|Avg: £1,546 GBP|-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£388 GBP
Retailer 9£518 GBP
Retailer 7£563 GBP
Retailer 11£618 GBP
Retailer 2£676 GBP
Retailer 4£1,005 GBP
Retailer 8£1,007 GBP
Retailer 13£1,147 GBP
Retailer 12£1,590 GBP
Retailer 3£2,452 GBP
Retailer 6£2,604 GBP
Retailer 10£2,806 GBP
Brilliant Earth£2,985 GBP

33 data points across 13 retailers

13 retailers£388 GBP to £2,985 GBP

A
Cheapest Retailer
-
£388 GBP
$520 USD
Final sale: no returns
A
Retailer 2
-
£518 GBP
$694 USD
View
A
Retailer 3
-
£563 GBP
$755 USD
View
A
Retailer 4
-
£618 GBP
$828 USD
View
A
Retailer 5
-
£676 GBP
€862 EUR
View
A
Retailer 6
-
£1,005 GBP
$1,346 USD
View
A
Retailer 7
-
£1,007 GBP
A$2,075 AUD
View
A
Retailer 8
-
£1,147 GBP
$1,537 USD
View
B+
Retailer 9
-
£1,590 GBP
View
Retailer 10
-
£2,452 GBP
$3,285 USD
View
Price last confirmed 10 days ago
B
Retailer 11
-
£2,604 GBP
A$5,368 AUD
View
B
Retailer 12
-
£2,806 GBP
$3,760 USD
View
Most Expensive
B
Brilliant Earth
13958113Y · Oct 30
£2,985 GBP
$4,000 USD
View
12 more retailers have this diamond
Prices start from £388 GBPSave up to £2,597 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
£388 GBP