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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 €174 EUR
$194 USD
As of October 25, 2026
Save €384 EUR (69%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €813 EUR 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 16 retailers as of October 25, 2026, with a 221% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Color
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

How it works →
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 25
Current: €813 EUR|Low: €133 EUR|High: €821 EUR|Avg: €353 EUR|-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
October 31, 2026
Retailer 12€140 EUR
Retailer 5€157 EUR
Retailer 6€162 EUR
Retailer 4€174 EUR
Retailer 10€252 EUR
Retailer 2€292 EUR
Retailer 11€302 EUR
Retailer 3€316 EUR
Retailer 14€385 EUR
Retailer 8€430 EUR
Retailer 7€444 EUR
Retailer 9€472 EUR
Retailer 13€558 EUR
MOH London€813 EUR

36 data points across 14 retailers

16 retailers€174 EUR to €558 EUR

Retailer 1
-
€140 EUR
$156 USD
Price last confirmed 8 days ago
Retailer 2
-
€162 EUR
$181 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
€174 EUR
$194 USD
View
A
Retailer 4
-
€195 EUR
HK$1,700 HKD
View
B+
Retailer 5
-
€215 EUR
$240 USD
View
B+
Retailer 6
-
€252 EUR
£222 GBP
View
B+
Retailer 7
-
€292 EUR
View
B+
Retailer 8
-
€302 EUR
£266 GBP
View
B
Retailer 9
-
€316 EUR
$353 USD
View
Retailer 10
-
€369 EUR
£324 GBP
View
Price last confirmed 35 days ago
B
Retailer 11
-
€385 EUR
$430 USD
View
B
Retailer 12
-
€430 EUR
$480 USD
View
B
Retailer 13
-
€444 EUR
$496 USD
View
B
Retailer 14
-
€472 EUR
SGD 713 SGD
View
B
Retailer 15
-
€558 EUR
$623 USD
View
Most Expensive
MOH London
LG805672173 · Oct 25
€813 EUR
£715 GBP
View
Price last confirmed 7 days ago
15 more retailers have this diamond
Prices start from €174 EURSave up to €384 EUR

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
€174 EUR