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Cushion|Lab Grown|IGI

1.87ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG846662377

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG846662377

Diamond specifications and retailer prices

From £477 GBP
As of November 1, 2026
Save £2,449 GBP (84%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,926 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.87ct lab-grown cushion diamond

This 1.87ct 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 LG846662377 or 846662377. Listed at 13 retailers as of October 31, 2026, with prices from £477 to £2,926, a £2,449 spread on the same certified stone. Do Amore Diamonds lists it at £2,926. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.87
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.8°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846662377
Dimensions9.57 × 6.24 × 4.05 mm
L/W Ratio1.53
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
9.57 mm6.24 mm1.87 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846662377
Side View
Table 60.0%Crown 30.8°Girdle: MED-THKPavilion 34.4°Culet: NoneDepth 64.9%

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: Nov 1
Current: £2,926 GBP|Low: £477 GBP|High: £4,351 GBP|Avg: £1,529 GBP|-32.8%
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
November 1, 2026
Retailer 6£477 GBP
Retailer 12£530 GBP
Retailer 11£590 GBP
Retailer 13£641 GBP
Retailer 7£703 GBP
Retailer 4£909 GBP
Retailer 10£1,050 GBP
Retailer 3£1,189 GBP
Retailer 2£1,882 GBP
Retailer 8£2,391 GBP
Retailer 5£2,455 GBP
Retailer 9£2,858 GBP
Do Amore Diamonds£2,926 GBP

15 data points across 13 retailers

13 retailers£477 GBP to £2,926 GBP

A
Cheapest Retailer
-
£477 GBP
A
Retailer 2
-
£530 GBP
$710 USD
View
A
Retailer 3
-
£590 GBP
$790 USD
View
A
Retailer 4
-
£641 GBP
$859 USD
View
A
Retailer 5
-
£703 GBP
€897 EUR
View
A
Retailer 6
-
£909 GBP
$1,218 USD
View
A
Retailer 7
-
£1,050 GBP
A$2,165 AUD
View
A
Retailer 8
-
£1,189 GBP
$1,593 USD
View
B+
Retailer 9
-
£1,882 GBP
View
B
Retailer 10
-
£2,391 GBP
A$4,928 AUD
View
Retailer 11
-
£2,455 GBP
$3,290 USD
View
Price last confirmed 11 days ago
B
Retailer 12
-
£2,858 GBP
$3,830 USD
View
Most Expensive
B
Do Amore Diamonds
27-713894242 · Oct 31
£2,926 GBP
$3,920 USD
View
12 more retailers have this diamond
Prices start from £477 GBPSave up to £2,449 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
1.87ct Cushion
£477 GBP