Round|Lab Grown|IGI

1.59ct H IF Round Lab Grown Diamond

ID • H/IF • IGI LG833650705

Shape and cutting style on the report: Round brilliant

Certificate IGI LG833650705

Diamond specifications and retailer prices

From £291 GBP
$390 USD
As of October 30, 2026
Save £548 GBP (65%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £839 GBP at MOH London · As of October 26, 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 H colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG833650705 or 833650705. Listed at 4 retailers as of October 26, 2026, with prices from £291 to £839, a £548 spread on the same certified stone. MOH London lists it at £839. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.59
Carat
H
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833650705
Dimensions7.58 × 7.55 × 4.58 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II Faint Blue
Top View
7.58 mm7.55 mm1.59 ctH / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833650705
Side View
Table 57.0%Crown 33.1°Girdle: MediumPavilion 41°Culet: NoneDepth 60.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £839 GBP|Low: £291 GBP|High: £847 GBP|Avg: £582 GBP|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
October 25, 2026
Retailer 2£291 GBP
Retailer 3£571 GBP
Retailer 4£711 GBP
MOH London£839 GBP

8 data points across 4 retailers

4 retailers£291 GBP to £839 GBP

B+
Cheapest Retailer
-
£291 GBP
$390 USD
A
Retailer 2
-
£571 GBP
$765 USD
View
B+
Retailer 3
-
£711 GBP
$953 USD
View
Most Expensive
B+
MOH London
LG833650705 · Oct 26
£839 GBP
View
3 more retailers have this diamond
Prices start from £291 GBPSave up to £548 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
£291 GBP