CaratHunter
Plans
Heart|Lab Grown|IGI

1.59ct F SI1 Heart Lab Grown Diamond

ID • F/SI1 • IGI LG825687255

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG825687255

Diamond specifications and retailer prices

From $331 CAD
As of November 6, 2026
Save $1,259 CAD (79%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,589 CAD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 1.59ct lab-grown heart diamond

This 1.59ct lab-grown heart sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG825687255 or 825687255. Listed at 14 retailers as of November 6, 2026, with prices from $331 to $1,589, a $1,259 spread on the same certified stone. Brilliant Earth lists it at $1,589. 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

1.59
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.6°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825687255
Dimensions8.27 × 6.94 × 4.89 mm
L/W Ratio1.19
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.27 mm6.94 mm1.59 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825687255
Side View
Table 67.0%Crown 30.6°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 59.1%

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 6
Current: $1,589 CAD|Low: $287 CAD|High: $2,476 CAD|Avg: $848 CAD|-35.8%
Brilliant Earth
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 6, 2026
Retailer 13$300 CAD
Retailer 7$331 CAD
Retailer 12$347 CAD
Retailer 5$371 CAD
Retailer 2$467 CAD
Retailer 8$630 CAD
Retailer 6$671 CAD
Retailer 4$734 CAD
Retailer 9$965 CAD
Retailer 3$1,193 CAD
Retailer 10$1,193 CAD
Retailer 11$1,490 CAD
Brilliant Earth$1,589 CAD

42 data points across 13 retailers

14 retailers$331 CAD to $1,589 CAD

Retailer 1
-
$300 CAD
Price last confirmed 14 days ago
A
Retailer 2
-
$331 CAD
View
Final sale: no returns
Retailer 3
-
$347 CAD
View
Price last confirmed 13 days ago
Retailer 4
-
$371 CAD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$414 CAD
View
A
Retailer 6
-
$467 CAD
View
B+
Retailer 7
-
$630 CAD
View
A
Retailer 8
-
$671 CAD
View
B+
Retailer 9
-
$734 CAD
View
B
Retailer 10
-
$965 CAD
View
Retailer 11
-
$1,193 CAD
View
Price last confirmed 12 days ago
B
Retailer 12
-
$1,193 CAD
View
Retailer 13
-
$1,490 CAD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
20868368A · Nov 6
$1,589 CAD
$1,130 USD
View
13 more retailers have this diamond
Prices start from $331 CADSave up to $1,259 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
1.59ct Heart
$331 CAD