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Heart|Lab Grown|IGI

1.00ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG818657599

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818657599

Diamond specifications and retailer prices

From $527 CAD
$377 USD
As of November 1, 2026
Save $1,812 CAD (77%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,338 CAD 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818657599 or 818657599. Listed at 18 retailers as of November 1, 2026, with prices from $527 to $2,338, a $1,812 spread on the same certified stone. MOH London lists it at $2,338. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818657599
Dimensions6.28 × 6.85 × 3.93 mm
L/W Ratio1.09
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
6.28 mm6.85 mm1.00 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818657599
Side View
Table 56.0%Crown 36.9°Girdle: MED-THKPavilion 37.2°Culet: NoneDepth 57.4%

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: Nov 1
Current: $2,338 CAD|Low: $527 CAD|High: $2,778 CAD|Avg: $1,379 CAD|-13.6%
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
November 2, 2026
Retailer 3$527 CAD
Retailer 5$693 CAD
Retailer 8$796 CAD
Retailer 10$821 CAD
Retailer 12$821 CAD
Retailer 7$943 CAD
Retailer 6$1,006 CAD
Retailer 2$1,046 CAD
Retailer 13$1,324 CAD
Retailer 9$1,433 CAD
Retailer 4$1,936 CAD
Retailer 11$2,277 CAD
MOH London$2,338 CAD

37 data points across 13 retailers

18 retailers$527 CAD to $2,338 CAD

A
Cheapest Retailer
-
$527 CAD
$377 USD
Final sale: no returns
Retailer 2
-
$559 CAD
$400 USD
View
Price last confirmed 24 days ago
Retailer 3
-
$634 CAD
$454 USD
View
Price last confirmed 34 days ago
Retailer 4
-
$684 CAD
$490 USD
View
Price last confirmed 38 days ago
Retailer 5
-
$693 CAD
$496 USD
View
Price last confirmed 32 days ago
Retailer 6
-
$693 CAD
$496 USD
View
Price last confirmed 21 days ago
A
Retailer 7
-
$796 CAD
$570 USD
View
B+
Retailer 8
-
$821 CAD
$588 USD
View
B+
Retailer 9
-
$821 CAD
$588 USD
View
B+
Retailer 10
-
$943 CAD
€643 EUR
View
B+
Retailer 11
-
$1,006 CAD
ZAR 11,637 ZAR
View
B+
Retailer 12
-
$1,046 CAD
£590 GBP
View
B+
Retailer 13
-
$1,324 CAD
$948 USD
View
B+
Retailer 14
-
$1,433 CAD
$1,026 USD
View
B
Retailer 15
-
$1,936 CAD
$1,386 USD
View
Retailer 16
-
$2,228 CAD
$1,595 USD
View
Price last confirmed 28 days ago
B
Retailer 17
-
$2,277 CAD
$1,630 USD
View
Most Expensive
B
MOH London
LG818657599 · Nov 1
$2,338 CAD
£1,318 GBP
View
17 more retailers have this diamond
Prices start from $527 CADSave up to $1,812 CAD

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
$527 CAD