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Round|Lab Grown|IGI

1.87ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG815610501

Shape and cutting style on the report: Round brilliant

Certificate IGI LG815610501

Diamond specifications and retailer prices

From £312 GBP
$416 USD
As of October 28, 2026
Save £1,045 GBP (77%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,357 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 1.87ct lab-grown round diamond

This 1.87ct lab-grown round 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 LG815610501 or 815610501. Listed at 13 retailers as of October 26, 2026, with prices from £312 to £1,357, a £1,045 spread on the same certified stone. MOH London lists it at £1,357. 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 angle34.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815610501
Dimensions7.97 × 8.00 × 4.81 mm
L/W Ratio1.00
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
7.97 mm8.00 mm1.87 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815610501
Side View
Table 59.0%Crown 34.3°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.3%

Caratlytics Score

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A+
Exceptional
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 28
Current: £1,357 GBP|Low: £312 GBP|High: £1,371 GBP|Avg: £840 GBP|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 12£312 GBP
Retailer 2£445 GBP
Retailer 9£477 GBP
Retailer 11£477 GBP
Retailer 8£596 GBP
Retailer 6£625 GBP
Retailer 7£805 GBP
Retailer 10£1,017 GBP
Retailer 4£1,070 GBP
Retailer 5£1,144 GBP
Retailer 13£1,309 GBP
Retailer 3£1,310 GBP
MOH London£1,357 GBP

26 data points across 13 retailers

13 retailers£312 GBP to £1,357 GBP

A+
Cheapest Retailer
-
£312 GBP
$416 USD
Final sale: no returns
A
Retailer 2
-
£445 GBP
View
A
Retailer 3
-
£477 GBP
$635 USD
View
A
Retailer 4
-
£477 GBP
$635 USD
View
A
Retailer 5
-
£596 GBP
ZAR 12,819 ZAR
View
A
Retailer 6
-
£625 GBP
View
A
Retailer 7
-
£805 GBP
A$1,649 AUD
View
B+
Retailer 8
-
£1,017 GBP
$1,354 USD
View
B+
Retailer 9
-
£1,070 GBP
$1,425 USD
View
B+
Retailer 10
-
£1,144 GBP
$1,524 USD
View
B+
Retailer 11
-
£1,309 GBP
$1,744 USD
View
B+
Retailer 12
-
£1,310 GBP
$1,744 USD
View
Most Expensive
B+
MOH London
LG815610501 · Oct 26
£1,357 GBP
View
12 more retailers have this diamond
Prices start from £312 GBPSave up to £1,045 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 Round
£312 GBP