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Cushion|Lab Grown|IGI

1.86ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG794697026

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG794697026

Diamond specifications and retailer prices

From £614 GBP
$823 USD
As of October 30, 2026
Save £4,259 GBP (87%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £4,874 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.86ct lab-grown cushion diamond

This 1.86ct 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 LG794697026 or 794697026. Listed at 18 retailers as of October 29, 2026, with prices from £614 to £4,874, a £4,259 spread on the same certified stone. Do Amore Diamonds lists it at £4,874. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.86
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794697026
Dimensions8.25 × 6.50 × 4.46 mm
L/W Ratio1.27
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
8.25 mm6.50 mm1.86 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794697026
Side View
Table 62.0%Crown 35.5°Girdle: MED-STKPavilion 37.7°Culet: NoneDepth 68.6%

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: £4,874 GBP|Low: £614 GBP|High: £4,874 GBP|Avg: £1,983 GBP
Do Amore Diamonds
Retailer 2
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Retailer 11
Retailer 12
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Retailer 17
October 30, 2026
Retailer 3£614 GBP
Retailer 5£637 GBP
Retailer 13£791 GBP
Retailer 16£898 GBP
Retailer 15£932 GBP
Retailer 10£1,072 GBP
Retailer 2£1,076 GBP
Retailer 11£1,292 GBP
Retailer 4£1,450 GBP
Retailer 6£1,945 GBP
Retailer 17£2,148 GBP
Retailer 7£2,307 GBP
Retailer 8£2,510 GBP
Retailer 12£2,638 GBP
Retailer 14£2,672 GBP
Retailer 9£3,962 GBP
Do Amore Diamonds£4,874 GBP

40 data points across 17 retailers

18 retailers£614 GBP to £4,874 GBP

A
Cheapest Retailer
-
£614 GBP
$823 USD
Final sale: no returns
Retailer 2
-
£637 GBP
$853 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
£791 GBP
$1,060 USD
View
A
Retailer 4
-
£898 GBP
$1,203 USD
View
A
Retailer 5
-
£932 GBP
$1,249 USD
View
A
Retailer 6
-
£1,072 GBP
€1,368 EUR
View
A
Retailer 7
-
£1,076 GBP
View
A
Retailer 8
-
£1,292 GBP
ZAR 27,963 ZAR
View
B+
Retailer 9
-
£1,450 GBP
$1,943 USD
View
B+
Retailer 10
-
£1,945 GBP
View
B+
Retailer 11
-
£2,024 GBP
$2,712 USD
View
B+
Retailer 12
-
£2,148 GBP
$2,878 USD
View
B+
Retailer 13
-
£2,307 GBP
$3,091 USD
View
B
Retailer 14
-
£2,510 GBP
$3,363 USD
View
B+
Retailer 15
-
£2,638 GBP
View
Retailer 16
-
£2,672 GBP
$3,580 USD
View
Price last confirmed 10 days ago
B
Retailer 17
-
£3,962 GBP
$5,308 USD
View
Most Expensive
B
Do Amore Diamonds
27-CD2E20814 · Oct 29
£4,874 GBP
$6,530 USD
View
17 more retailers have this diamond
Prices start from £614 GBPSave up to £4,259 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
1.86ct Cushion
£614 GBP