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Heart|Lab Grown|GCAL

1.00ct D SI1 Heart Lab Grown Diamond

VG • D/SI1 • GCAL 340810524

Shape and cutting style on the report: Heart brilliant

Certificate GCAL 340810524

Diamond specifications and retailer prices

From $302 CAD
$216 USD
As of October 30, 2026
Save $1,352 CAD (82%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,653 CAD at MOH London · As of October 25, 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 SI1 clarity (slightly-included), with a very-good cut grade and certified by GCAL 340810524. Listed at 7 retailers as of October 25, 2026, with prices from $302 to $1,653, a $1,352 spread on the same certified stone. MOH London lists it at $1,653. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
D
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishGood
SymmetryGood
FluorescenceNone
Crown angle35.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 340810524
Dimensions7.04 × 6.09 × 3.92 mm
L/W Ratio1.16
Culet sizeNone
Top View
7.04 mm6.09 mm1.00 ctD / SI1
OriginLab Grown
CutVery Good
PolishGood
SymmetryGood
FluorescenceNone
CertificateGCAL 340810524
Side View
Table 57.0%Crown 35.5°GirdlePavilion 40.4°Culet: NoneDepth 55.7%

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: $1,653 CAD|Low: $289 CAD|High: $1,671 CAD|Avg: $807 CAD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 25, 2026
Retailer 3$302 CAD
Retailer 6$349 CAD
Retailer 7$394 CAD
Retailer 5$638 CAD
Retailer 8$670 CAD
Retailer 2$1,204 CAD
Retailer 4$1,324 CAD
MOH London$1,653 CAD

11 data points across 8 retailers

7 retailers$302 CAD to $1,653 CAD

A
Cheapest Retailer
-
$302 CAD
$216 USD
B+
Retailer 2
-
$349 CAD
$250 USD
View
B+
Retailer 3
-
$394 CAD
$282 USD
View
B
Retailer 4
-
$638 CAD
$457 USD
View
C
Retailer 5
-
$1,204 CAD
$862 USD
View
C
Retailer 6
-
$1,324 CAD
$948 USD
View
Most Expensive
C
MOH London
340810524 · Oct 25
$1,653 CAD
£932 GBP
View
6 more retailers have this diamond
Prices start from $302 CADSave up to $1,352 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
$302 CAD