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Radiant|Lab Grown|IGI

1.60ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG615381566

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

Certificate IGI LG615381566

Diamond specifications and retailer prices

From £155 GBP
$208 USD
As of November 2, 2026
Save £1,300 GBP (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,455 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.6ct lab-grown radiant diamond

This 1.6ct lab-grown radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG615381566 or 615381566. Listed at 21 retailers as of October 31, 2026, with prices from £155 to £1,455, a £1,300 spread on the same certified stone. Brilliant Earth lists it at £1,455. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.60
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.7°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG615381566
Dimensions8.47 × 5.64 × 3.85 mm
L/W Ratio1.50
Top View
8.47 mm5.64 mm1.60 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG615381566
Side View
Table 66.0%Crown 42.7°Girdle: MED-STKPavilion 34.4°Culet: NoneDepth 68.3%

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 2
Current: £1,455 GBP|Low: £155 GBP|High: £1,537 GBP|Avg: £467 GBP|-5.3%
Brilliant Earth
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
November 2, 2026
Retailer 4£155 GBP
Retailer 6£174 GBP
Retailer 17£181 GBP
Retailer 3£193 GBP
Retailer 16£193 GBP
Retailer 2£225 GBP
Retailer 9£333 GBP
Retailer 12£333 GBP
Retailer 14£340 GBP
Retailer 11£356 GBP
Retailer 10£442 GBP
Retailer 15£451 GBP
Retailer 18£620 GBP
Retailer 5£622 GBP
Retailer 13£773 GBP
Retailer 7£786 GBP
Retailer 8£911 GBP
Brilliant Earth£1,455 GBP

35 data points across 18 retailers

21 retailers£155 GBP to £1,455 GBP

A
Cheapest Retailer
-
£155 GBP
$208 USD
A
Retailer 2
-
£174 GBP
$233 USD
View
Final sale: no returns
A
Retailer 3
-
£181 GBP
$242 USD
View
Retailer 4
-
£193 GBP
$258 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
£193 GBP
$258 USD
View
A
Retailer 6
-
£225 GBP
View
B+
Retailer 7
-
£333 GBP
$446 USD
View
A
Retailer 8
-
£333 GBP
ZAR 7,208 ZAR
View
A
Retailer 9
-
£340 GBP
€434 EUR
View
A
Retailer 10
-
£356 GBP
View
A
Retailer 11
-
£417 GBP
$559 USD
View
A
Retailer 12
-
£442 GBP
$592 USD
View
A
Retailer 13
-
£451 GBP
A$929 AUD
View
B+
Retailer 14
-
£620 GBP
$831 USD
View
B+
Retailer 15
-
£622 GBP
$834 USD
View
B+
Retailer 16
-
£660 GBP
$884 USD
View
B+
Retailer 17
-
£690 GBP
View
B+
Retailer 18
-
£773 GBP
View
B+
Retailer 19
-
£786 GBP
$1,053 USD
View
Retailer 20
-
£911 GBP
$1,221 USD
View
Price last confirmed 22 days ago
Most Expensive
B
Brilliant Earth
8918527A · Oct 31
£1,455 GBP
$1,950 USD
View
20 more retailers have this diamond
Prices start from £155 GBPSave up to £1,300 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
1.60ct Radiant
£155 GBP