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Heart|Lab Grown|IGI

1.00ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG818661954

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818661954

Diamond specifications and retailer prices

From $527 CAD
$377 USD
As of November 1, 2026
Save $1,825 CAD (78%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,351 CAD 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818661954 or 818661954. Listed at 18 retailers as of October 29, 2026, with prices from $527 to $2,351, a $1,825 spread on the same certified stone. MOH London lists it at $2,351. 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 angle35.5°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818661954
Dimensions6.19 × 6.78 × 4.02 mm
L/W Ratio1.10
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
6.19 mm6.78 mm1.00 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818661954
Side View
Table 57.0%Crown 35.5°Girdle: MED-THKPavilion 38.5°Culet: NoneDepth 59.3%

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: Nov 1
Current: $2,351 CAD|Low: $527 CAD|High: $2,779 CAD|Avg: $1,391 CAD|-14.4%
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
November 2, 2026
Retailer 3$527 CAD
Retailer 5$703 CAD
Retailer 8$797 CAD
Retailer 10$822 CAD
Retailer 12$822 CAD
Retailer 7$943 CAD
Retailer 6$1,007 CAD
Retailer 2$1,046 CAD
Retailer 13$1,324 CAD
Retailer 9$1,434 CAD
Retailer 4$1,937 CAD
Retailer 11$2,278 CAD
MOH London$2,351 CAD

35 data points across 13 retailers

18 retailers$527 CAD to $2,351 CAD

A
Cheapest Retailer
-
$527 CAD
$377 USD
Final sale: no returns
Retailer 2
-
$567 CAD
$406 USD
View
Price last confirmed 25 days ago
Retailer 3
-
$634 CAD
$454 USD
View
Price last confirmed 34 days ago
Retailer 4
-
$693 CAD
$496 USD
View
Price last confirmed 38 days ago
Retailer 5
-
$703 CAD
$503 USD
View
Price last confirmed 30 days ago
Retailer 6
-
$703 CAD
$503 USD
View
Price last confirmed 21 days ago
A
Retailer 7
-
$797 CAD
$570 USD
View
B+
Retailer 8
-
$822 CAD
$588 USD
View
B+
Retailer 9
-
$822 CAD
$588 USD
View
B+
Retailer 10
-
$943 CAD
€643 EUR
View
B+
Retailer 11
-
$1,007 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
-
$1,434 CAD
$1,026 USD
View
B
Retailer 15
-
$1,937 CAD
$1,386 USD
View
Retailer 16
-
$2,260 CAD
$1,617 USD
View
Price last confirmed 32 days ago
B
Retailer 17
-
$2,278 CAD
$1,630 USD
View
Most Expensive
B
MOH London
LG818661954 · Oct 29
$2,351 CAD
£1,325 GBP
View
17 more retailers have this diamond
Prices start from $527 CADSave up to $1,825 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