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Cushion|Lab Grown|IGI

1.98ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG818681455

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG818681455

Diamond specifications and retailer prices

From £776 GBP
$1,040 USD
As of October 31, 2026
Save £3,993 GBP (84%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £4,769 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818681455 or 818681455. Listed at 8 retailers as of October 31, 2026, with prices from £776 to £4,769, a £3,993 spread on the same certified stone. Do Amore Diamonds lists it at £4,769. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818681455
Dimensions8.05 × 6.84 × 4.75 mm
L/W Ratio1.18
Girdle conditionFaceted
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
8.05 mm6.84 mm1.98 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818681455
Side View
Table 58.0%Crown 32.3°Girdle: STK-THKPavilion 39°Culet: NoneDepth 69.4%

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: £4,769 GBP|Low: £776 GBP|High: £6,627 GBP|Avg: £2,719 GBP|-28.0%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 7£776 GBP
Retailer 5£1,011 GBP
Retailer 8£1,062 GBP
Retailer 3£1,164 GBP
Retailer 4£2,593 GBP
Retailer 9£2,827 GBP
Retailer 6£3,474 GBP
Retailer 2£3,485 GBP
Retailer 10£4,015 GBP
Do Amore Diamonds£4,769 GBP

29 data points across 10 retailers

8 retailers£776 GBP to £4,769 GBP

A
Cheapest Retailer
-
£776 GBP
$1,040 USD
A
Retailer 2
-
£1,011 GBP
$1,355 USD
View
A
Retailer 3
-
£1,062 GBP
$1,423 USD
View
A
Retailer 4
-
£1,164 GBP
€1,485 EUR
View
B+
Retailer 5
-
£2,593 GBP
View
Retailer 6
-
£3,474 GBP
$4,655 USD
View
Price last confirmed 10 days ago
B
Retailer 7
-
£3,485 GBP
$4,670 USD
View
Most Expensive
B
Do Amore Diamonds
27-7A6465617 · Oct 31
£4,769 GBP
$6,390 USD
View
7 more retailers have this diamond
Prices start from £776 GBPSave up to £3,993 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
£776 GBP