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Cushion|Lab Grown|IGI

1.90ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG768628801

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG768628801

Diamond specifications and retailer prices

From £1,649 GBP
$2,209 USD
As of October 30, 2026
Save £4,318 GBP (72%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £5,966 GBP at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG768628801 or 768628801. Listed at 13 retailers as of October 30, 2026, with prices from £1,649 to £5,966, a £4,318 spread on the same certified stone. Taylor and Hart lists it at £5,966. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768628801
Dimensions8.28 × 6.75 × 4.42 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
8.28 mm6.75 mm1.90 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768628801
Side View
Table 58.0%Crown 35.4°Girdle: MED-THKPavilion 37.5°Culet: NoneDepth 65.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £2,345 GBP|Low: £1,649 GBP|High: £4,933 GBP|Avg: £3,338 GBP|+0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 2£1,649 GBP
Retailer 1£2,345 GBP
Retailer 8£2,571 GBP
Retailer 11£2,646 GBP
Retailer 5£2,733 GBP
Retailer 4£3,133 GBP
Retailer 7£3,332 GBP
Retailer 10£4,161 GBP
Retailer 3£4,461 GBP
Retailer 9£4,508 GBP
Retailer 6£4,894 GBP

41 data points across 11 retailers

13 retailers£1,649 GBP to £5,966 GBP

B+
Cheapest Retailer
-
£1,649 GBP
$2,209 USD
B+
Retailer 2
-
£2,130 GBP
HK$22,300 HKD
View
B+
Retailer 3
-
£2,345 GBP
View
B
Retailer 4
-
£2,571 GBP
$3,445 USD
View
B+
Retailer 5
-
£2,646 GBP
$3,546 USD
View
B+
Retailer 6
-
£2,733 GBP
€3,487 EUR
View
B+
Retailer 7
-
£3,133 GBP
ZAR 67,825 ZAR
View
Retailer 8
-
£3,332 GBP
$4,465 USD
View
Price last confirmed 9 days ago
B
Retailer 9
-
£4,161 GBP
$5,575 USD
View
B
Retailer 10
-
£4,461 GBP
$5,977 USD
View
B
Retailer 11
-
£4,508 GBP
$6,040 USD
View
B
Retailer 12
-
£4,894 GBP
View
Most Expensive
B
Taylor and Hart
R194XWZ · Oct 30
£5,966 GBP
$7,994 USD
View
12 more retailers have this diamond
Prices start from £1,649 GBPSave up to £4,318 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.

B+
1.90ct Cushion
£1,649 GBP