Radiant|Lab Grown|IGI

1.60ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG655462818

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

Certificate IGI LG655462818

Diamond specifications and retailer prices

From £237 GBP
$318 USD
As of October 30, 2026
Save £1,218 GBP (84%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £1,537 GBP at Brilliant Earth · As of October 4, 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 LG655462818 or 655462818. Listed at 23 retailers as of October 30, 2026, with a 513% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle36.7°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG655462818
Dimensions8.26 × 5.82 × 3.93 mm
L/W Ratio1.42
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.26 mm5.82 mm1.60 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG655462818
Side View
Table 65.0%Crown 36.7°Girdle: MED-STKPavilion 35.9°Culet: NoneDepth 67.5%

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: Oct 30
Current: £1,455 GBP|Low: £151 GBP|High: £1,582 GBP|Avg: £534 GBP|-8.0%
Brilliant Earth
Retailer 2
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Retailer 19
October 31, 2026
Retailer 16£157 GBP
Retailer 4£195 GBP
Retailer 9£263 GBP
Retailer 13£266 GBP
Retailer 15£325 GBP
Retailer 18£352 GBP
Retailer 8£388 GBP
Retailer 14£410 GBP
Retailer 11£418 GBP
Retailer 7£452 GBP
Retailer 6£455 GBP
Retailer 12£506 GBP
Retailer 2£535 GBP
Retailer 3£683 GBP
Retailer 5£706 GBP
Retailer 10£765 GBP
Retailer 19£776 GBP
Retailer 17£788 GBP
Brilliant Earth£1,455 GBP

23 data points across 19 retailers

23 retailers£237 GBP to £1,455 GBP

Retailer 1
-
£157 GBP
$210 USD
Price last confirmed 24 days ago
Retailer 2
-
£182 GBP
$244 USD
View
Price last confirmed 35 days ago
Retailer 3
-
£195 GBP
$261 USD
View
Price last confirmed 25 days ago
Retailer 4
-
£195 GBP
$261 USD
View
Price last confirmed 29 days ago
A
Retailer 5
-
£237 GBP
$318 USD
View
Retailer 6
-
£263 GBP
$352 USD
View
Price last confirmed 26 days ago
A
Retailer 7
-
£266 GBP
$356 USD
View
Final sale: no returns
A
Retailer 8
-
£325 GBP
HK$3,400 HKD
View
A
Retailer 9
-
£410 GBP
$550 USD
View
Retailer 10
-
£455 GBP
$610 USD
View
Price last confirmed 25 days ago
B+
Retailer 11
-
£506 GBP
ZAR 10,946 ZAR
View
B+
Retailer 12
-
£535 GBP
€683 EUR
View
Retailer 13
-
£625 GBP
$838 USD
View
Price last confirmed 32 days ago
Retailer 14
-
£665 GBP
$892 USD
View
Price last confirmed 24 days ago
Retailer 15
-
£683 GBP
A$1,408 AUD
View
Price last confirmed 28 days ago
B
Retailer 16
-
£686 GBP
View
Retailer 17
-
£706 GBP
$946 USD
View
Price last confirmed 26 days ago
Retailer 18
-
£776 GBP
$1,040 USD
View
Price last confirmed 28 days ago
Retailer 19
-
£788 GBP
View
Price last confirmed 25 days ago
Retailer 20
-
£792 GBP
$1,061 USD
View
Price last confirmed 26 days ago
Retailer 21
-
£915 GBP
$1,227 USD
View
Price last confirmed 26 days ago
B
Retailer 22
-
£1,455 GBP
$1,950 USD
View
Most Expensive
Brilliant Earth
11941143A · Oct 4
£1,537 GBP
$2,060 USD
View
Price last confirmed 28 days ago
22 more retailers have this diamond
Prices start from £237 GBPSave up to £1,218 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
£237 GBP