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Heart|Lab Grown|IGI

1.03ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG818671734

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818671734

Diamond specifications and retailer prices

From $594 NZD
As of November 5, 2026
Save $2,382 NZD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,976 NZD at MOH London · As of November 3, 2026
View at MOH London

About this 1.03ct lab-grown heart diamond

This 1.03ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818671734 or 818671734. Listed at 18 retailers as of November 3, 2026, with prices from $594 to $2,976, a $2,382 spread on the same certified stone. MOH London lists it at $2,976. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818671734
Dimensions6.33 × 6.96 × 4.06 mm
L/W Ratio1.10
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.33 mm6.96 mm1.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818671734
Side View
Table 58.0%Crown 34.6°Girdle: MED-STKPavilion 38.2°Culet: NoneDepth 58.3%

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 5
Current: $2,976 NZD|Low: $594 NZD|High: $3,422 NZD|Avg: $1,791 NZD|-12.0%
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
November 5, 2026
Retailer 2$594 NZD
Retailer 5$921 NZD
Retailer 10$1,029 NZD
Retailer 12$1,073 NZD
Retailer 3$1,098 NZD
Retailer 6$1,158 NZD
Retailer 9$1,224 NZD
Retailer 8$1,313 NZD
Retailer 4$1,731 NZD
Retailer 11$1,873 NZD
Retailer 7$2,203 NZD
Retailer 13$2,943 NZD
MOH London$2,976 NZD

39 data points across 13 retailers

18 retailers$594 NZD to $2,976 NZD

A
Cheapest Retailer
-
$594 NZD
Final sale: no returns
Retailer 2
-
$740 NZD
View
Price last confirmed 28 days ago
Retailer 3
-
$832 NZD
View
Price last confirmed 37 days ago
Retailer 4
-
$908 NZD
View
Price last confirmed 41 days ago
Retailer 5
-
$917 NZD
View
Price last confirmed 33 days ago
Retailer 6
-
$917 NZD
View
Price last confirmed 24 days ago
A
Retailer 7
-
$1,029 NZD
View
B+
Retailer 8
-
$1,073 NZD
View
B+
Retailer 9
-
$1,098 NZD
View
B+
Retailer 10
-
$1,158 NZD
View
B+
Retailer 11
-
$1,224 NZD
View
B+
Retailer 12
-
$1,313 NZD
View
B+
Retailer 13
-
$1,731 NZD
View
B+
Retailer 14
-
$1,873 NZD
View
B+
Retailer 15
-
$2,203 NZD
View
B
Retailer 16
-
$2,943 NZD
View
Retailer 17
-
$2,948 NZD
View
Price last confirmed 31 days ago
Most Expensive
B
MOH London
LG818671734 · Nov 3
$2,976 NZD
£1,321 GBP
View
17 more retailers have this diamond
Prices start from $594 NZDSave up to $2,382 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
1.03ct Heart
$594 NZD