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Radiant|Lab Grown|IGI

1.87ct F IF Radiant Lab Grown Diamond

ID • F/IF • IGI LG662480568

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG662480568

Diamond specifications and retailer prices

From £390 GBP
As of November 4, 2026
Save £3,080 GBP (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £3,470 GBP at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.87ct lab-grown radiant diamond

This 1.87ct lab-grown radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG662480568 or 662480568. Listed at 22 retailers as of November 4, 2026, with prices from £390 to £3,470, a £3,080 spread on the same certified stone. Do Amore Diamonds lists it at £3,470. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.87
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.7°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG662480568
Dimensions8.77 × 6.05 × 4.09 mm
L/W Ratio1.45
Culet sizePointed
Top View
8.77 mm6.05 mm1.87 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG662480568
Side View
Table 67.0%Crown 45.7°Girdle: MediumPavilion 36.8°Culet: NoneDepth 67.6%

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: Nov 4
Current: £2,314 GBP|Low: £374 GBP|High: £3,217 GBP|Avg: £1,191 GBP|-1.3%
Retailer 1
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
November 5, 2026
Retailer 5£390 GBP
Retailer 4£438 GBP
Retailer 3£484 GBP
Retailer 16£484 GBP
Retailer 10£587 GBP
Retailer 8£640 GBP
Retailer 9£827 GBP
Retailer 11£918 GBP
Retailer 14£1,245 GBP
Retailer 2£1,250 GBP
Retailer 13£1,306 GBP
Retailer 6£1,406 GBP
Retailer 7£1,795 GBP
Retailer 15£2,017 GBP
Retailer 1£2,314 GBP
Retailer 12£2,600 GBP

43 data points across 16 retailers

22 retailers£390 GBP to £3,470 GBP

A
Cheapest Retailer
-
£390 GBP
A
Retailer 2
-
£438 GBP
View
A
Retailer 3
-
£461 GBP
View
Final sale: no returns
Retailer 4
-
£484 GBP
View
Price last confirmed 20 days ago
A
Retailer 5
-
£484 GBP
View
A
Retailer 6
-
£587 GBP
View
A
Retailer 7
-
£591 GBP
View
A
Retailer 8
-
£640 GBP
View
B+
Retailer 9
-
£827 GBP
View
B+
Retailer 10
-
£900 GBP
View
B+
Retailer 11
-
£918 GBP
View
B+
Retailer 12
-
£1,245 GBP
View
B+
Retailer 13
-
£1,250 GBP
View
B+
Retailer 14
-
£1,306 GBP
View
B
Retailer 15
-
£1,406 GBP
View
B
Retailer 16
-
£1,551 GBP
View
B
Retailer 17
-
£1,795 GBP
View
B
Retailer 18
-
£1,817 GBP
View
Retailer 19
-
£2,017 GBP
View
Price last confirmed 15 days ago
B
Retailer 20
-
£2,314 GBP
View
B
Retailer 21
-
£2,600 GBP
View
Most Expensive
B
Do Amore Diamonds
27-F2579FAF2 · Nov 4
£3,470 GBP
$4,670 USD
View
21 more retailers have this diamond
Prices start from £390 GBPSave up to £3,080 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 Radiant
£390 GBP