Heart|Lab Grown|IGI

1.00ct F SI1 Heart Lab Grown Diamond

ID • F/SI1 • IGI LG813619747

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG813619747

Diamond specifications and retailer prices

From $298 USD
As of November 6, 2026
Save $594 USD (67%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $892 USD at MOH London · As of November 1, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG813619747 or 813619747. Listed at 10 retailers as of November 1, 2026, with prices from $298 to $892, a $594 spread on the same certified stone. MOH London lists it at $892. 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
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813619747
Dimensions6.97 × 6.12 × 4.08 mm
L/W Ratio1.14
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
6.97 mm6.12 mm1.00 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813619747
Side View
Table 61.0%Crown 35.5°Girdle: STK-THKPavilion 41°Culet: NoneDepth 58.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $892 USD|Low: $313 USD|High: $892 USD|Avg: $532 USD|+1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 2$328 USD
Retailer 7$348 USD
Retailer 8$362 USD
Retailer 4$460 USD
Retailer 3$506 USD
Retailer 5$508 USD
Retailer 6$570 USD
Retailer 9$667 USD
MOH London$892 USD

43 data points across 9 retailers

10 retailers$298 USD to $892 USD

A
Cheapest Retailer
-
$298 USD
A
Retailer 2
-
$328 USD
View
A
Retailer 3
-
$348 USD
View
A
Retailer 4
-
$362 USD
View
B+
Retailer 5
-
$460 USD
View
B+
Retailer 6
-
$506 USD
View
B+
Retailer 7
-
$508 USD
View
B+
Retailer 8
-
$570 USD
View
B+
Retailer 9
-
$667 USD
View
Most Expensive
B
MOH London
LG813619747 · Nov 1
$892 USD
£702 GBP
View
9 more retailers have this diamond
Prices start from $298 USDSave up to $594 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
$298 USD