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Radiant|Lab Grown|IGI

1.60ct I VS1 Radiant Lab Grown Diamond

EX • I/VS1 • IGI LG649405805

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

Certificate IGI LG649405805

Diamond specifications and retailer prices

From £287 GBP
$385 USD
As of October 30, 2026
Save £645 GBP (69%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £933 GBP at MOH London · As of October 29, 2026
View at MOH London

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 I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG649405805 or 649405805. Listed at 8 retailers as of October 29, 2026, with prices from £287 to £933, a £645 spread on the same certified stone. MOH London lists it at £933. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.60
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.7°
Pavilion angle33.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG649405805
Dimensions8.29 × 5.72 × 3.85 mm
L/W Ratio1.45
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.29 mm5.72 mm1.60 ctI / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG649405805
Side View
Table 67.0%Crown 43.7°Girdle: MediumPavilion 33.3°Culet: NoneDepth 67.3%

Caratlytics Score

How it works →
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: £933 GBP|Low: £287 GBP|High: £939 GBP|Avg: £550 GBP|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 5£287 GBP
Retailer 3£356 GBP
Retailer 8£362 GBP
Retailer 4£401 GBP
Retailer 2£541 GBP
Retailer 7£699 GBP
Retailer 6£872 GBP
MOH London£933 GBP

14 data points across 8 retailers

8 retailers£287 GBP to £933 GBP

A
Cheapest Retailer
-
£287 GBP
$385 USD
B+
Retailer 2
-
£356 GBP
$477 USD
View
A
Retailer 3
-
£401 GBP
$537 USD
View
B+
Retailer 4
-
£541 GBP
$725 USD
View
Retailer 5
-
£548 GBP
$735 USD
View
Price last confirmed 67 days ago
Retailer 6
-
£560 GBP
$750 USD
View
Price last confirmed 25 days ago
B
Retailer 7
-
£872 GBP
$1,168 USD
View
Most Expensive
B
MOH London
LG649405805 · Oct 29
£933 GBP
View
7 more retailers have this diamond
Prices start from £287 GBPSave up to £645 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
£287 GBP