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Heart|Lab Grown|IGI

0.85ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG805672173

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG805672173

Diamond specifications and retailer prices

From £117 GBP
$156 USD
As of October 23, 2026
Save £565 GBP (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £682 GBP at MOH London · As of October 25, 2026
View at MOH London

About this 0.85ct lab-grown heart diamond

This 0.85ct lab-grown heart sits in the just-under-one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG805672173 or 805672173. Listed at 17 retailers as of October 23, 2026, with prices from £117 to £682, a £565 spread on the same certified stone. MOH London lists it at £682. 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

0.85
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle29.1°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805672173
Dimensions6.46 × 6.17 × 3.81 mm
L/W Ratio1.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.46 mm6.17 mm0.85 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG805672173
Side View
Table 59.0%Crown 29.1°Girdle: STK-THKPavilion 41.2°Culet: NoneDepth 59.0%

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 23
Current: £682 GBP|Low: £112 GBP|High: £689 GBP|Avg: £297 GBP|-0.8%
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 28, 2026
Retailer 12£117 GBP
Retailer 4£131 GBP
Retailer 6£136 GBP
Retailer 3£146 GBP
Retailer 8£211 GBP
Retailer 11£246 GBP
Retailer 9£254 GBP
Retailer 15£265 GBP
Retailer 7£309 GBP
Retailer 14£323 GBP
Retailer 10£376 GBP
Retailer 2£396 GBP
Retailer 5£466 GBP
Retailer 13£468 GBP
MOH London£682 GBP

36 data points across 15 retailers

17 retailers£117 GBP to £682 GBP

A
Cheapest Retailer
-
£117 GBP
$156 USD
A
Retailer 2
-
£131 GBP
$175 USD
View
Final sale: no returns
A
Retailer 3
-
£136 GBP
$181 USD
View
A
Retailer 4
-
£146 GBP
$194 USD
View
A
Retailer 5
-
£163 GBP
HK$1,700 HKD
View
B+
Retailer 6
-
£180 GBP
$240 USD
View
B+
Retailer 7
-
£211 GBP
View
B+
Retailer 8
-
£246 GBP
€312 EUR
View
B+
Retailer 9
-
£254 GBP
View
B
Retailer 10
-
£265 GBP
$353 USD
View
B
Retailer 11
-
£309 GBP
View
Price last confirmed 33 days ago
B
Retailer 12
-
£323 GBP
$430 USD
View
B
Retailer 13
-
£376 GBP
$501 USD
View
B
Retailer 14
-
£396 GBP
SGD 713 SGD
View
B
Retailer 15
-
£466 GBP
$620 USD
View
B
Retailer 16
-
£468 GBP
$623 USD
View
Most Expensive
B
MOH London
LG805672173 · Oct 25
£682 GBP
View
16 more retailers have this diamond
Prices start from £117 GBPSave up to £565 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
0.85ct Heart
£117 GBP