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Radiant|Lab Grown|IGI

1.60ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG841627171

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

Certificate IGI LG841627171

Diamond specifications and retailer prices

From £165 GBP
$221 USD
As of October 30, 2026
Save £992 GBP (86%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,157 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 LG841627171 or 841627171. Listed at 21 retailers as of October 30, 2026, with prices from £165 to £1,157, a £992 spread on the same certified stone. Brilliant Earth lists it at £1,157. 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 angle43.2°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841627171
Dimensions8.45 × 5.90 × 3.87 mm
L/W Ratio1.43
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.45 mm5.90 mm1.60 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841627171
Side View
Table 66.0%Crown 43.2°Girdle: Slightly ThickPavilion 35°Culet: NoneDepth 65.6%

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: Oct 30
Current: £1,157 GBP|Low: £158 GBP|High: £1,261 GBP|Avg: £483 GBP|-8.3%
Brilliant Earth
Retailer 2
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Retailer 11
Retailer 12
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Retailer 19
November 2, 2026
Retailer 5£165 GBP
Retailer 4£192 GBP
Retailer 8£204 GBP
Retailer 11£204 GBP
Retailer 2£239 GBP
Retailer 3£276 GBP
Retailer 15£343 GBP
Retailer 13£354 GBP
Retailer 12£381 GBP
Retailer 6£421 GBP
Retailer 7£452 GBP
Retailer 17£478 GBP
Retailer 9£658 GBP
Retailer 19£661 GBP
Retailer 10£698 GBP
Retailer 16£748 GBP
Retailer 18£780 GBP
Retailer 14£821 GBP
Brilliant Earth£1,157 GBP

30 data points across 19 retailers

21 retailers£165 GBP to £1,157 GBP

A
Cheapest Retailer
-
£165 GBP
$221 USD
A
Retailer 2
-
£192 GBP
$257 USD
View
Retailer 3
-
£204 GBP
$274 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
£204 GBP
$274 USD
View
A
Retailer 5
-
£239 GBP
View
B+
Retailer 6
-
£276 GBP
$370 USD
View
A
Retailer 7
-
£343 GBP
€438 EUR
View
A
Retailer 8
-
£354 GBP
ZAR 7,652 ZAR
View
A
Retailer 9
-
£381 GBP
View
A
Retailer 10
-
£421 GBP
$564 USD
View
A
Retailer 11
-
£452 GBP
$606 USD
View
A
Retailer 12
-
£478 GBP
A$986 AUD
View
B+
Retailer 13
-
£658 GBP
$882 USD
View
B+
Retailer 14
-
£661 GBP
$885 USD
View
B+
Retailer 15
-
£698 GBP
$935 USD
View
B+
Retailer 16
-
£748 GBP
$1,002 USD
View
Retailer 17
-
£780 GBP
$1,045 USD
View
Price last confirmed 14 days ago
B+
Retailer 18
-
£821 GBP
View
B
Retailer 19
-
£828 GBP
$1,109 USD
View
Retailer 20
-
£829 GBP
SGD 1,501 SGD
View
Price last confirmed 20 days ago
Most Expensive
B
Brilliant Earth
21690171A · Oct 31
£1,157 GBP
$1,550 USD
View
20 more retailers have this diamond
Prices start from £165 GBPSave up to £992 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
£165 GBP