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Cushion|Lab Grown|IGI

1.18ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG833649442

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG833649442

Diamond specifications and retailer prices

From £384 GBP
$515 USD
As of October 30, 2026
Save £2,243 GBP (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £2,627 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.18ct lab-grown cushion diamond

This 1.18ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG833649442 or 833649442. Listed at 18 retailers as of October 30, 2026, with prices from £384 to £2,627, a £2,243 spread on the same certified stone. Do Amore Diamonds lists it at £2,627. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.18
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833649442
Dimensions7.29 × 5.58 × 3.72 mm
L/W Ratio1.31
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
7.29 mm5.58 mm1.18 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833649442
Side View
Table 60.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 66.7%

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 30
Current: £2,627 GBP|Low: £384 GBP|High: £2,627 GBP|Avg: £1,124 GBP
Do Amore Diamonds
Retailer 2
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Retailer 18
November 1, 2026
Retailer 17£384 GBP
Retailer 6£425 GBP
Retailer 4£463 GBP
Retailer 13£463 GBP
Retailer 18£628 GBP
Retailer 12£684 GBP
Retailer 16£729 GBP
Retailer 11£782 GBP
Retailer 15£807 GBP
Retailer 10£1,042 GBP
Retailer 8£1,230 GBP
Retailer 3£1,314 GBP
Retailer 7£1,500 GBP
Retailer 14£1,615 GBP
Retailer 5£1,705 GBP
Retailer 9£1,822 GBP
Retailer 2£1,959 GBP
Do Amore Diamonds£2,627 GBP

35 data points across 18 retailers

18 retailers£384 GBP to £2,627 GBP

A
Cheapest Retailer
-
£384 GBP
$515 USD
Final sale: no returns
Retailer 2
-
£425 GBP
$570 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
£463 GBP
$620 USD
View
A
Retailer 4
-
£463 GBP
$620 USD
View
A
Retailer 5
-
£628 GBP
$842 USD
View
A
Retailer 6
-
£684 GBP
€873 EUR
View
A
Retailer 7
-
£729 GBP
$977 USD
View
B+
Retailer 8
-
£782 GBP
View
B+
Retailer 9
-
£807 GBP
ZAR 17,459 ZAR
View
B+
Retailer 10
-
£1,042 GBP
$1,397 USD
View
B+
Retailer 11
-
£1,230 GBP
$1,648 USD
View
B+
Retailer 12
-
£1,314 GBP
CA$2,444 CAD
View
B
Retailer 13
-
£1,500 GBP
$2,010 USD
View
B+
Retailer 14
-
£1,615 GBP
$2,164 USD
View
B
Retailer 15
-
£1,705 GBP
$2,284 USD
View
B
Retailer 16
-
£1,822 GBP
$2,441 USD
View
B
Retailer 17
-
£1,959 GBP
View
Most Expensive
B
Do Amore Diamonds
20-E100313 · Oct 31
£2,627 GBP
$3,520 USD
View
17 more retailers have this diamond
Prices start from £384 GBPSave up to £2,243 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
1.18ct Cushion
£384 GBP