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Cushion|Lab Grown|IGI

1.90ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG754508296

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG754508296

Diamond specifications and retailer prices

From £3,358 GBP
$4,500 USD
As of October 31, 2026
8 retailers carry this diamond
Most expensive: £3,358 GBP at Brilliant Earth
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 LG754508296 or 754508296. Listed at 8 retailers as of October 31, 2026. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754508296
Dimensions8.16 × 6.63 × 4.45 mm
L/W Ratio1.23
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
8.16 mm6.63 mm1.90 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754508296
Side View
Table 59.0%Crown 37.5°Girdle: MED-THKPavilion 36.5°Culet: NoneDepth 67.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: £3,358 GBP|Low: £482 GBP|High: £3,463 GBP|Avg: £1,491 GBP|-3.0%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 9, 2026
Retailer 3£482 GBP
Retailer 5£655 GBP
Retailer 14£746 GBP
Retailer 10£793 GBP
Retailer 11£809 GBP
Retailer 13£820 GBP
Retailer 15£908 GBP
Retailer 6£933 GBP
Retailer 8£1,248 GBP
Retailer 7£1,535 GBP
Retailer 9£1,798 GBP
Retailer 4£1,910 GBP
Retailer 17£2,320 GBP
Retailer 16£2,373 GBP
Retailer 12£2,535 GBP
Retailer 18£2,646 GBP
Brilliant Earth£3,358 GBP
Retailer 2£3,426 GBP

20 data points across 18 retailers

8 retailers

Retailer 1
-
£793 GBP
HK$8,300 HKD
Price last confirmed 57 days ago
Retailer 2
-
£908 GBP
ZAR 19,656 ZAR
View
Price last confirmed 26 days ago
Retailer 3
-
£1,248 GBP
$1,672 USD
View
Price last confirmed 23 days ago
Retailer 4
-
£1,798 GBP
$2,409 USD
View
Price last confirmed 23 days ago
Retailer 5
-
£1,910 GBP
SGD 3,458 SGD
View
Price last confirmed 23 days ago
Retailer 6
-
£2,373 GBP
$3,180 USD
View
Price last confirmed 26 days ago
Retailer 7
-
£2,535 GBP
A$5,225 AUD
View
Price last confirmed 23 days ago
Most Expensive
B
Brilliant Earth
18668479Y · Oct 31
£3,358 GBP
$4,500 USD
View
7 more retailers have this diamond

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.

B
1.90ct Cushion
£3,358 GBP