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Heart|Lab Grown|IGI

1.03ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG816624834

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG816624834

Diamond specifications and retailer prices

From $566 NZD
As of November 5, 2026
Save $3,674 NZD (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,240 NZD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

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 LG816624834 or 816624834. Listed at 19 retailers as of November 4, 2026, with prices from $566 to $4,240, a $3,674 spread on the same certified stone. Brilliant Earth lists it at $4,240. 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 angle36°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816624834
Dimensions6.95 × 6.42 × 3.95 mm
L/W Ratio1.08
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
6.95 mm6.42 mm1.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816624834
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 36.8°Culet: NoneDepth 56.8%

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: $4,240 NZD|Low: $566 NZD|High: $4,808 NZD|Avg: $1,945 NZD|-11.8%
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
Retailer 14
November 5, 2026
Retailer 2$566 NZD
Retailer 6$905 NZD
Retailer 12$1,029 NZD
Retailer 14$1,073 NZD
Retailer 4$1,098 NZD
Retailer 7$1,098 NZD
Retailer 11$1,224 NZD
Retailer 9$1,313 NZD
Retailer 5$1,731 NZD
Retailer 13$1,873 NZD
Retailer 8$2,104 NZD
Retailer 3$2,943 NZD
Retailer 10$2,975 NZD
Brilliant Earth$4,240 NZD

36 data points across 14 retailers

19 retailers$566 NZD to $4,240 NZD

A
Cheapest Retailer
-
$566 NZD
Final sale: no returns
Retailer 2
-
$729 NZD
View
Price last confirmed 28 days ago
Retailer 3
-
$818 NZD
View
Price last confirmed 37 days ago
Retailer 4
-
$892 NZD
View
Price last confirmed 41 days ago
Retailer 5
-
$905 NZD
View
Price last confirmed 33 days ago
Retailer 6
-
$905 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
-
$1,098 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
-
$2,104 NZD
View
Retailer 16
-
$2,908 NZD
View
Price last confirmed 36 days ago
B
Retailer 17
-
$2,943 NZD
View
B
Retailer 18
-
$2,975 NZD
View
Most Expensive
B
Brilliant Earth
21019228A · Nov 4
$4,240 NZD
$2,390 USD
View
18 more retailers have this diamond
Prices start from $566 NZDSave up to $3,674 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
$566 NZD