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Cushion|Lab Grown|IGI

1.75ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG807666143

Shape and cutting style on the report: Cushion mixed cut

Certificate IGI LG807666143

Diamond specifications and retailer prices

From £899 GBP
$1,205 USD
As of October 31, 2026
Save £5,698 GBP (86%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £7,389 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.75ct lab-grown cushion diamond

This 1.75ct 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 LG807666143 or 807666143. Listed at 15 retailers as of October 31, 2026, with a 634% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.75
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle50.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807666143
Dimensions8.53 × 5.75 × 3.69 mm
L/W Ratio1.48
Girdle conditionFaceted
Culet sizeLarge
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
8.53 mm5.75 mm1.75 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807666143
Side View
Table 66.0%Crown 36.5°Girdle: MED-STKPavilion 50.2°Culet: LargeDepth 64.2%

Caratlytics Score

How it works →
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 31
Current: £7,389 GBP|Low: £665 GBP|High: £7,389 GBP|Avg: £2,446 GBP
Do Amore Diamonds
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
October 31, 2026
Retailer 4£899 GBP
Retailer 8£960 GBP
Retailer 12£966 GBP
Retailer 11£1,093 GBP
Retailer 14£1,117 GBP
Retailer 13£1,523 GBP
Retailer 2£1,547 GBP
Retailer 7£1,959 GBP
Retailer 3£2,571 GBP
Retailer 9£2,847 GBP
Retailer 5£3,039 GBP
Retailer 10£3,443 GBP
Retailer 6£3,783 GBP
Do Amore Diamonds£7,389 GBP

41 data points across 14 retailers

15 retailers£899 GBP to £6,598 GBP

A
Cheapest Retailer
-
£899 GBP
$1,205 USD
A
Retailer 2
-
£960 GBP
$1,286 USD
View
Final sale: no returns
Retailer 3
-
£966 GBP
$1,294 USD
View
Price last confirmed 15 days ago
A
Retailer 4
-
£1,093 GBP
$1,465 USD
View
A
Retailer 5
-
£1,117 GBP
$1,497 USD
View
B+
Retailer 6
-
£1,523 GBP
$2,040 USD
View
B+
Retailer 7
-
£1,547 GBP
View
B+
Retailer 8
-
£1,959 GBP
ZAR 42,404 ZAR
View
B
Retailer 9
-
£2,571 GBP
View
B
Retailer 10
-
£2,847 GBP
$3,815 USD
View
B
Retailer 11
-
£3,039 GBP
$4,072 USD
View
B
Retailer 12
-
£3,443 GBP
View
B
Retailer 13
-
£3,783 GBP
$5,069 USD
View
B
Retailer 14
-
£6,598 GBP
$8,840 USD
View
Most Expensive
Do Amore Diamonds
27-46DB49778 · Oct 31
£7,389 GBP
$9,900 USD
View
Price under review
14 more retailers have this diamond
Prices start from £899 GBPSave up to £5,698 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
1.75ct Cushion
£899 GBP