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Round|Lab Grown|IGI

1.59ct G VS1 Round Lab Grown Diamond

EX • G/VS1 • IGI LG845666417

Shape and cutting style on the report: Round brilliant

Certificate IGI LG845666417

Diamond specifications and retailer prices

From £143 GBP
$191 USD
As of October 29, 2026
Save £690 GBP (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £832 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.59ct lab-grown round diamond

This 1.59ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG845666417 or 845666417. Listed at 20 retailers as of October 29, 2026, with prices from £143 to £832, a £690 spread on the same certified stone. MOH London lists it at £832. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.59
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845666417
Dimensions7.43 × 7.46 × 4.61 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.43 mm7.46 mm1.59 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845666417
Side View
Table 57.0%Crown 34.3°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.9%

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 29
Current: £832 GBP|Low: £143 GBP|High: £832 GBP|Avg: £417 GBP
MOH London
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October 31, 2026
Retailer 9£143 GBP
Retailer 19£166 GBP
Retailer 7£177 GBP
Retailer 18£177 GBP
Retailer 20£201 GBP
Retailer 8£239 GBP
Retailer 14£277 GBP
Retailer 15£296 GBP
Retailer 16£304 GBP
Retailer 2£321 GBP
Retailer 5£366 GBP
Retailer 4£372 GBP
Retailer 17£413 GBP
Retailer 13£425 GBP
Retailer 6£569 GBP
Retailer 11£586 GBP
Retailer 10£609 GBP
Retailer 3£667 GBP
Retailer 12£713 GBP
MOH London£832 GBP

13 data points across 20 retailers

20 retailers£143 GBP to £832 GBP

A
Cheapest Retailer
-
£143 GBP
$191 USD
A
Retailer 2
-
£166 GBP
$222 USD
View
A
Retailer 3
-
£177 GBP
$237 USD
View
A
Retailer 4
-
£177 GBP
$237 USD
View
A
Retailer 5
-
£201 GBP
HK$2,100 HKD
View
B+
Retailer 6
-
£239 GBP
$320 USD
View
A
Retailer 7
-
£277 GBP
View
A
Retailer 8
-
£296 GBP
€378 EUR
View
A
Retailer 9
-
£304 GBP
ZAR 6,579 ZAR
View
A
Retailer 10
-
£321 GBP
View
A
Retailer 11
-
£366 GBP
$491 USD
View
A
Retailer 12
-
£372 GBP
$498 USD
View
A
Retailer 13
-
£413 GBP
A$851 AUD
View
A
Retailer 14
-
£425 GBP
$569 USD
View
B+
Retailer 15
-
£569 GBP
$762 USD
View
B
Retailer 16
-
£586 GBP
SGD 1,061 SGD
View
B+
Retailer 17
-
£609 GBP
$816 USD
View
B+
Retailer 18
-
£667 GBP
$894 USD
View
B
Retailer 19
-
£713 GBP
$955 USD
View
Most Expensive
B
MOH London
LG845666417 · Oct 29
£832 GBP
View
19 more retailers have this diamond
Prices start from £143 GBPSave up to £690 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
1.59ct Round
£143 GBP