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 $156 USD
As of October 30, 2026
Save $729 USD (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $885 USD 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 $156 to $885, a $729 spread on the same certified stone. MOH London lists it at $885. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $885 USD|Low: $120 USD|High: $890 USD|Avg: $479 USD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 7$156 USD
Retailer 8$192 USD
Retailer 3$193 USD
Retailer 5$261 USD
Retailer 10$338 USD
Retailer 9$351 USD
Retailer 11$366 USD
Retailer 4$510 USD
Retailer 2$511 USD
Retailer 6$620 USD
MOH London$885 USD

43 data points across 11 retailers

14 retailers$156 USD to $885 USD

A
Cheapest Retailer
-
$156 USD
A
Retailer 2
-
$176 USD
View
A
Retailer 3
-
$188 USD
View
B+
Retailer 4
-
$192 USD
View
Final sale: no returns
A
Retailer 5
-
$193 USD
View
B+
Retailer 6
-
$261 USD
View
B+
Retailer 7
-
$338 USD
£266 GBP
View
B+
Retailer 8
-
$351 USD
View
B+
Retailer 9
-
$366 USD
£288 GBP
View
B
Retailer 10
-
$510 USD
View
B
Retailer 11
-
$511 USD
View
B
Retailer 12
-
$605 USD
View
B
Retailer 13
-
$620 USD
View
Most Expensive
B
MOH London
LG817695867 · Oct 29
$885 USD
£697 GBP
View
13 more retailers have this diamond
Prices start from $156 USDSave up to $729 USD

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
$156 USD