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Heart|Lab Grown|IGI

1.60ct F SI1 Heart Lab Grown Diamond

EX • F/SI1 • IGI LG589301028

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG589301028

Diamond specifications and retailer prices

From £185 GBP
$248 USD
As of November 1, 2026
Save £634 GBP (77%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £819 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.6ct lab-grown heart diamond

This 1.6ct lab-grown heart sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG589301028 or 589301028. Listed at 16 retailers as of November 1, 2026, with prices from £185 to £819, a £634 spread on the same certified stone. MOH London lists it at £819. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.60
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG589301028
Dimensions7.39 × 8.00 × 4.57 mm
L/W Ratio1.08
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.39 mm8.00 mm1.60 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG589301028
Side View
Table 57.0%Crown 35.4°Girdle: MED-STKPavilion 38.2°Culet: NoneDepth 57.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £819 GBP|Low: £158 GBP|High: £828 GBP|Avg: £357 GBP|-1.0%
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
November 2, 2026
Retailer 12£158 GBP
Retailer 4£185 GBP
Retailer 3£191 GBP
Retailer 9£204 GBP
Retailer 11£204 GBP
Retailer 2£261 GBP
Retailer 10£276 GBP
Retailer 7£336 GBP
Retailer 6£380 GBP
Retailer 5£452 GBP
Retailer 8£502 GBP
Retailer 13£657 GBP
MOH London£819 GBP

44 data points across 13 retailers

16 retailers£185 GBP to £819 GBP

Retailer 1
-
£158 GBP
$212 USD
Price last confirmed 31 days ago
A
Retailer 2
-
£185 GBP
$248 USD
View
Final sale: no returns
Retailer 3
-
£191 GBP
$256 USD
View
Price last confirmed 34 days ago
Retailer 4
-
£204 GBP
$274 USD
View
Price last confirmed 25 days ago
Retailer 5
-
£204 GBP
$274 USD
View
Price last confirmed 30 days ago
Retailer 6
-
£204 GBP
$274 USD
View
Price last confirmed 8 days ago
A
Retailer 7
-
£261 GBP
View
B+
Retailer 8
-
£276 GBP
$370 USD
View
A
Retailer 9
-
£336 GBP
€430 EUR
View
B+
Retailer 10
-
£380 GBP
View
B+
Retailer 11
-
£385 GBP
$517 USD
View
B+
Retailer 12
-
£452 GBP
$606 USD
View
B
Retailer 13
-
£502 GBP
$673 USD
View
Retailer 14
-
£657 GBP
$881 USD
View
Price last confirmed 32 days ago
B
Retailer 15
-
£663 GBP
SGD 1,202 SGD
View
Most Expensive
B
MOH London
LG589301028 · Nov 1
£819 GBP
View
15 more retailers have this diamond
Prices start from £185 GBPSave up to £634 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 Heart
£185 GBP