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Round|Lab Grown|IGI

1.59ct G VS1 Round Lab Grown Diamond

EX • G/VS1 • IGI LG817665501

Shape and cutting style on the report: Round brilliant

Certificate IGI LG817665501

Diamond specifications and retailer prices

From £201 GBP
HK$2,100 HKD
As of October 30, 2026
Save £589 GBP (75%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £790 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 LG817665501 or 817665501. Listed at 20 retailers as of October 29, 2026, with prices from £201 to £790, a £589 spread on the same certified stone. MOH London lists it at £790. 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 angle35.8°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817665501
Dimensions7.45 × 7.40 × 4.61 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.45 mm7.40 mm1.59 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817665501
Side View
Table 61.0%Crown 35.8°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 62.1%

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: £790 GBP|Low: £201 GBP|High: £805 GBP|Avg: £475 GBP|-1.9%
MOH London
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
October 30, 2026
Retailer 11£201 GBP
Retailer 14£237 GBP
Retailer 9£288 GBP
Retailer 8£293 GBP
Retailer 2£302 GBP
Retailer 15£363 GBP
Retailer 3£364 GBP
Retailer 10£391 GBP
Retailer 12£570 GBP
Retailer 4£580 GBP
Retailer 5£582 GBP
Retailer 13£593 GBP
Retailer 7£699 GBP
Retailer 6£722 GBP
MOH London£790 GBP

41 data points across 15 retailers

20 retailers£201 GBP to £790 GBP

Retailer 1
-
£131 GBP
$176 USD
Price last confirmed 29 days ago
Retailer 2
-
£159 GBP
$213 USD
View
Price last confirmed 24 days ago
Retailer 3
-
£170 GBP
$228 USD
View
Price last confirmed 28 days ago
A
Retailer 4
-
£201 GBP
HK$2,100 HKD
View
B+
Retailer 5
-
£237 GBP
$318 USD
View
A
Retailer 6
-
£288 GBP
ZAR 6,242 ZAR
View
A
Retailer 7
-
£293 GBP
€374 EUR
View
A
Retailer 8
-
£302 GBP
View
A
Retailer 9
-
£363 GBP
$487 USD
View
A
Retailer 10
-
£364 GBP
$488 USD
View
A
Retailer 11
-
£391 GBP
A$807 AUD
View
Retailer 12
-
£546 GBP
$732 USD
View
Price last confirmed 23 days ago
B
Retailer 13
-
£570 GBP
$764 USD
View
B
Retailer 14
-
£580 GBP
$778 USD
View
B
Retailer 15
-
£582 GBP
SGD 1,053 SGD
View
Retailer 16
-
£593 GBP
$795 USD
View
Price last confirmed 12 days ago
B+
Retailer 17
-
£658 GBP
$881 USD
View
B
Retailer 18
-
£702 GBP
$941 USD
View
B
Retailer 19
-
£722 GBP
$967 USD
View
Most Expensive
B
MOH London
LG817665501 · Oct 29
£790 GBP
View
19 more retailers have this diamond
Prices start from £201 GBPSave up to £589 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
£201 GBP