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Cushion|Lab Grown|IGI

1.85ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG791631980

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG791631980

Diamond specifications and retailer prices

From £319 GBP
$427 USD
As of October 30, 2026
Save £2,211 GBP (87%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £2,530 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.85ct lab-grown cushion diamond

This 1.85ct 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 LG791631980 or 791631980. Listed at 17 retailers as of October 30, 2026, with prices from £319 to £2,530, a £2,211 spread on the same certified stone. Do Amore Diamonds lists it at £2,530. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.85
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791631980
Dimensions8.25 × 6.58 × 4.39 mm
L/W Ratio1.25
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 mm6.58 mm1.85 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791631980
Side View
Table 61.0%Crown 36.1°Girdle: MED-STKPavilion 39°Culet: NoneDepth 66.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £2,530 GBP|Low: £319 GBP|High: £2,567 GBP|Avg: £1,340 GBP
Do Amore Diamonds
Retailer 2
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October 31, 2026
Retailer 5£319 GBP
Retailer 10£534 GBP
Retailer 6£563 GBP
Retailer 17£602 GBP
Retailer 2£638 GBP
Retailer 13£671 GBP
Retailer 3£868 GBP
Retailer 11£909 GBP
Retailer 15£922 GBP
Retailer 16£1,324 GBP
Retailer 4£1,368 GBP
Retailer 7£1,393 GBP
Retailer 12£1,442 GBP
Retailer 9£1,877 GBP
Retailer 8£2,391 GBP
Retailer 14£2,433 GBP
Do Amore Diamonds£2,530 GBP

43 data points across 17 retailers

17 retailers£319 GBP to £2,530 GBP

A
Cheapest Retailer
-
£319 GBP
$427 USD
Final sale: no returns
A
Retailer 2
-
£534 GBP
$715 USD
View
A
Retailer 3
-
£563 GBP
$755 USD
View
A
Retailer 4
-
£602 GBP
$807 USD
View
A
Retailer 5
-
£638 GBP
View
A
Retailer 6
-
£671 GBP
ZAR 14,519 ZAR
View
A
Retailer 7
-
£868 GBP
$1,163 USD
View
A
Retailer 8
-
£909 GBP
A$1,874 AUD
View
A
Retailer 9
-
£922 GBP
$1,236 USD
View
A
Retailer 10
-
£1,324 GBP
$1,774 USD
View
A
Retailer 11
-
£1,368 GBP
$1,833 USD
View
A
Retailer 12
-
£1,393 GBP
SGD 2,523 SGD
View
B+
Retailer 13
-
£1,442 GBP
View
Retailer 14
-
£1,877 GBP
View
Price last confirmed 23 days ago
Retailer 15
-
£2,391 GBP
A$4,928 AUD
View
Price last confirmed 23 days ago
Retailer 16
-
£2,433 GBP
$3,260 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Do Amore Diamonds
27-13FD845E7 · Oct 30
£2,530 GBP
$3,390 USD
View
16 more retailers have this diamond
Prices start from £319 GBPSave up to £2,211 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
1.85ct Cushion
£319 GBP