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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 $327 NZD
As of November 6, 2026
Save $1,557 NZD (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,883 NZD 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 $327 to $1,883, a $1,557 spread on the same certified stone. MOH London lists it at $1,883. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,883 NZD|Low: $312 NZD|High: $2,002 NZD|Avg: $894 NZD|-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$327 NZD
Retailer 9$377 NZD
Retailer 6$404 NZD
Retailer 8$404 NZD
Retailer 2$685 NZD
Retailer 3$839 NZD
Retailer 11$938 NZD
Retailer 10$970 NZD
Retailer 7$1,299 NZD
Retailer 4$1,371 NZD
MOH London$1,883 NZD

16 data points across 11 retailers

9 retailers$327 NZD to $1,883 NZD

A
Cheapest Retailer
-
$327 NZD
A
Retailer 2
-
$377 NZD
View
Retailer 3
-
$404 NZD
View
Price last confirmed 12 days ago
B+
Retailer 4
-
$404 NZD
View
A
Retailer 5
-
$685 NZD
View
B+
Retailer 6
-
$970 NZD
View
B+
Retailer 7
-
$1,299 NZD
View
B+
Retailer 8
-
$1,371 NZD
View
Most Expensive
B
MOH London
LG805683590 · Nov 5
$1,883 NZD
£822 GBP
View
8 more retailers have this diamond
Prices start from $327 NZDSave up to $1,557 NZD

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
$327 NZD