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Heart|Lab Grown|IGI

1.00ct E SI2 Heart Lab Grown Diamond

ID • E/SI2 • IGI LG817695867

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG817695867

Diamond specifications and retailer prices

From €140 EUR
$156 USD
As of October 30, 2026
Save €653 EUR (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €792 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 1ct lab-grown heart diamond

This 1ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG817695867 or 817695867. Listed at 14 retailers as of October 29, 2026, with prices from €140 to €792, a €653 spread on the same certified stone. MOH London lists it at €792. 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

1.00
Carat
E
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817695867
Dimensions7.16 × 6.09 × 3.86 mm
L/W Ratio1.18
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
Top View
7.16 mm6.09 mm1.00 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817695867
Side View
Table 66.0%Crown 34.5°Girdle: MED-STKPavilion 37.6°Culet: NoneDepth 53.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €792 EUR|Low: €107 EUR|High: €797 EUR|Avg: €364 EUR|+0.4%
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 11€140 EUR
Retailer 5€158 EUR
Retailer 6€168 EUR
Retailer 12€172 EUR
Retailer 3€173 EUR
Retailer 9€234 EUR
Retailer 2€302 EUR
Retailer 13€314 EUR
Retailer 14€328 EUR
Retailer 8€456 EUR
Retailer 7€457 EUR
Retailer 4€542 EUR
Retailer 10€555 EUR
MOH London€792 EUR

43 data points across 14 retailers

14 retailers€140 EUR to €792 EUR

A
Cheapest Retailer
-
€140 EUR
$156 USD
A
Retailer 2
-
€158 EUR
$176 USD
View
A
Retailer 3
-
€168 EUR
$188 USD
View
B+
Retailer 4
-
€172 EUR
$192 USD
View
Final sale: no returns
A
Retailer 5
-
€173 EUR
$193 USD
View
B+
Retailer 6
-
€234 EUR
$261 USD
View
B+
Retailer 7
-
€302 EUR
£266 GBP
View
B+
Retailer 8
-
€314 EUR
$351 USD
View
B+
Retailer 9
-
€328 EUR
£288 GBP
View
B
Retailer 10
-
€456 EUR
$510 USD
View
B
Retailer 11
-
€457 EUR
$511 USD
View
B
Retailer 12
-
€542 EUR
$605 USD
View
B
Retailer 13
-
€555 EUR
$620 USD
View
Most Expensive
B
MOH London
LG817695867 · Oct 29
€792 EUR
£697 GBP
View
13 more retailers have this diamond
Prices start from €140 EURSave up to €653 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
1.00ct Heart
€140 EUR