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Cushion|Lab Grown|IGI

1.90ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG727508467

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG727508467

Diamond specifications and retailer prices

From £373 GBP
$500 USD
As of October 30, 2026
Save £2,493 GBP (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,866 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.9ct lab-grown cushion diamond

This 1.9ct 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 LG727508467 or 727508467. Listed at 13 retailers as of October 30, 2026, with prices from £373 to £2,866, a £2,493 spread on the same certified stone. Brilliant Earth lists it at £2,866. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.90
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG727508467
Dimensions7.14 × 7.07 × 4.61 mm
L/W Ratio1.01
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
7.14 mm7.07 mm1.90 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG727508467
Side View
Table 66.0%Crown 38°Girdle: STK-THKPavilion 38.4°Culet: NoneDepth 65.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £2,866 GBP|Low: £373 GBP|High: £4,224 GBP|Avg: £1,465 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£373 GBP
Retailer 10£502 GBP
Retailer 7£541 GBP
Retailer 12£596 GBP
Retailer 2£649 GBP
Retailer 4£929 GBP
Retailer 8£969 GBP
Retailer 13£1,110 GBP
Retailer 9£1,536 GBP
Retailer 3£2,347 GBP
Retailer 6£2,503 GBP
Retailer 11£2,702 GBP
Brilliant Earth£2,866 GBP

30 data points across 13 retailers

13 retailers£373 GBP to £2,866 GBP

A
Cheapest Retailer
-
£373 GBP
$500 USD
Final sale: no returns
A
Retailer 2
-
£502 GBP
$672 USD
View
A
Retailer 3
-
£541 GBP
$725 USD
View
A
Retailer 4
-
£596 GBP
$799 USD
View
A
Retailer 5
-
£649 GBP
€828 EUR
View
A
Retailer 6
-
£929 GBP
$1,245 USD
View
A
Retailer 7
-
£969 GBP
A$1,997 AUD
View
A
Retailer 8
-
£1,110 GBP
$1,488 USD
View
B+
Retailer 9
-
£1,536 GBP
View
Retailer 10
-
£2,347 GBP
$3,145 USD
View
Price last confirmed 10 days ago
B
Retailer 11
-
£2,503 GBP
A$5,159 AUD
View
B
Retailer 12
-
£2,702 GBP
$3,620 USD
View
Most Expensive
B
Brilliant Earth
15510329Y · Oct 31
£2,866 GBP
$3,840 USD
View
12 more retailers have this diamond
Prices start from £373 GBPSave up to £2,493 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
1.90ct Cushion
£373 GBP