CaratHunter
Plans
Heart|Lab Grown|IGI

1.01ct K SI1 Heart Lab Grown Diamond

ID • K/SI1 • IGI LG805683590

Shape and cutting style on the report: Heart modified brilliant

Certificate IGI LG805683590

Diamond specifications and retailer prices

From $263 AUD
As of November 6, 2026
Save $1,256 AUD (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,519 AUD at MOH London · As of November 5, 2026
View at MOH London

About this 1.01ct lab-grown heart diamond

This 1.01ct lab-grown heart sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG805683590 or 805683590. Listed at 9 retailers as of November 5, 2026, with prices from $263 to $1,519, a $1,256 spread on the same certified stone. MOH London lists it at $1,519. 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

1.01
Carat
K
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805683590
Dimensions6.66 × 5.45 × 3.63 mm
L/W Ratio1.22
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa Light Brown
Top View
6.66 mm5.45 mm1.01 ctK / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805683590
Side View
Table 64.0%Crown 39.8°Girdle: STK-THKPavilion 36.8°Culet: NoneDepth 54.5%

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: $1,519 AUD|Low: $252 AUD|High: $1,615 AUD|Avg: $722 AUD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 5$263 AUD
Retailer 9$304 AUD
Retailer 6$326 AUD
Retailer 8$326 AUD
Retailer 2$553 AUD
Retailer 3$677 AUD
Retailer 11$757 AUD
Retailer 10$783 AUD
Retailer 7$1,048 AUD
Retailer 4$1,106 AUD
MOH London$1,519 AUD

16 data points across 11 retailers

9 retailers$263 AUD to $1,519 AUD

A
Cheapest Retailer
-
$263 AUD
A
Retailer 2
-
$304 AUD
View
Retailer 3
-
$326 AUD
View
Price last confirmed 12 days ago
B+
Retailer 4
-
$326 AUD
View
A
Retailer 5
-
$553 AUD
View
B+
Retailer 6
-
$783 AUD
View
B+
Retailer 7
-
$1,048 AUD
View
B+
Retailer 8
-
$1,106 AUD
View
Most Expensive
B
MOH London
LG805683590 · Nov 5
$1,519 AUD
£822 GBP
View
8 more retailers have this diamond
Prices start from $263 AUDSave up to $1,256 AUD

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
1.01ct Heart
$263 AUD