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Heart|Lab Grown|IGI

1.00ct F SI1 Heart Lab Grown Diamond

ID • F/SI1 • IGI LG805643885

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG805643885

Diamond specifications and retailer prices

From $296 NZD
As of November 6, 2026
Save $1,241 NZD (81%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,537 NZD at MOH London · As of November 4, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG805643885 or 805643885. Listed at 17 retailers as of November 4, 2026, with prices from $296 to $1,537, a $1,241 spread on the same certified stone. MOH London lists it at $1,537. 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

1.00
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.4°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805643885
Dimensions6.86 × 6.49 × 3.96 mm
L/W Ratio1.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.86 mm6.49 mm1.00 ctF / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG805643885
Side View
Table 65.0%Crown 35.4°Girdle: MED-THKPavilion 39.6°Culet: NoneDepth 57.7%

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: $1,537 NZD|Low: $260 NZD|High: $1,606 NZD|Avg: $712 NZD|-3.3%
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
Retailer 14
Retailer 15
Retailer 16
November 6, 2026
Retailer 7$269 NZD
Retailer 11$296 NZD
Retailer 5$312 NZD
Retailer 4$334 NZD
Retailer 16$368 NZD
Retailer 8$552 NZD
Retailer 2$559 NZD
Retailer 9$563 NZD
Retailer 13$608 NZD
Retailer 12$624 NZD
Retailer 6$772 NZD
Retailer 14$907 NZD
Retailer 15$1,028 NZD
Retailer 3$1,070 NZD
Retailer 10$1,118 NZD
MOH London$1,537 NZD

42 data points across 16 retailers

17 retailers$296 NZD to $1,537 NZD

Retailer 1
-
$269 NZD
Price last confirmed 15 days ago
A
Retailer 2
-
$296 NZD
View
Final sale: no returns
Retailer 3
-
$312 NZD
View
Price last confirmed 14 days ago
Retailer 4
-
$334 NZD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$368 NZD
View
A
Retailer 6
-
$552 NZD
View
A
Retailer 7
-
$559 NZD
View
A
Retailer 8
-
$563 NZD
View
B+
Retailer 9
-
$608 NZD
View
A
Retailer 10
-
$624 NZD
View
Retailer 11
-
$772 NZD
View
Price last confirmed 12 days ago
B+
Retailer 12
-
$851 NZD
View
B+
Retailer 13
-
$907 NZD
View
B
Retailer 14
-
$1,028 NZD
View
Retailer 15
-
$1,070 NZD
View
Price last confirmed 13 days ago
B+
Retailer 16
-
$1,118 NZD
View
Most Expensive
B
MOH London
LG805643885 · Nov 4
$1,537 NZD
£671 GBP
View
16 more retailers have this diamond
Prices start from $296 NZDSave up to $1,241 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
1.00ct Heart
$296 NZD