CaratHunter
Plans
Round|Lab Grown|IGI

1.87ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG758551314

Shape and cutting style on the report: Round brilliant

Certificate IGI LG758551314

Diamond specifications and retailer prices

From £360 GBP
$480 USD
As of October 29, 2026
Save £1,310 GBP (78%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,671 GBP at Brilliance · As of October 27, 2026
View at Brilliance

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 LG758551314 or 758551314. Listed at 18 retailers as of October 27, 2026, with prices from £360 to £1,671, a £1,310 spread on the same certified stone. Brilliance lists it at £1,671. 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 angle34.9°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG758551314
Dimensions7.90 × 7.85 × 4.90 mm
L/W Ratio1.01
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
7.90 mm7.85 mm1.87 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG758551314
Side View
Table 57.0%Crown 34.9°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
A+
Exceptional
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 29
Current: £1,671 GBP|Low: £360 GBP|High: £1,998 GBP|Avg: £910 GBP|-12.9%
Brilliance
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 30, 2026
Retailer 18£360 GBP
Retailer 7£402 GBP
Retailer 16£403 GBP
Retailer 6£447 GBP
Retailer 9£447 GBP
Retailer 13£575 GBP
Retailer 5£689 GBP
Retailer 8£697 GBP
Retailer 15£698 GBP
Retailer 11£739 GBP
Retailer 14£768 GBP
Retailer 2£1,040 GBP
Retailer 4£1,099 GBP
Retailer 17£1,201 GBP
Retailer 3£1,436 GBP
Retailer 10£1,457 GBP
Retailer 12£1,650 GBP
Brilliance£1,671 GBP

34 data points across 18 retailers

18 retailers£360 GBP to £1,671 GBP

A+
Cheapest Retailer
-
£360 GBP
$480 USD
A
Retailer 2
-
£402 GBP
$536 USD
View
Final sale: no returns
A
Retailer 3
-
£403 GBP
$537 USD
View
Retailer 4
-
£447 GBP
$595 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
£447 GBP
$595 USD
View
A
Retailer 6
-
£575 GBP
View
A
Retailer 7
-
£689 GBP
$918 USD
View
A
Retailer 8
-
£697 GBP
$928 USD
View
A
Retailer 9
-
£698 GBP
$930 USD
View
A
Retailer 10
-
£739 GBP
View
A
Retailer 11
-
£768 GBP
ZAR 16,512 ZAR
View
B+
Retailer 12
-
£1,040 GBP
A$2,131 AUD
View
B+
Retailer 13
-
£1,099 GBP
$1,463 USD
View
B+
Retailer 14
-
£1,201 GBP
$1,599 USD
View
B+
Retailer 15
-
£1,436 GBP
$1,912 USD
View
B+
Retailer 16
-
£1,457 GBP
$1,941 USD
View
B
Retailer 17
-
£1,650 GBP
View
Most Expensive
B+
Brilliance
D37630590 · Oct 27
£1,671 GBP
$2,225 USD
View
17 more retailers have this diamond
Prices start from £360 GBPSave up to £1,310 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
£360 GBP