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Heart|Lab Grown|IGI

1.03ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG816615560

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG816615560

Diamond specifications and retailer prices

From $502 NZD
As of November 4, 2026
Save $2,372 NZD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,874 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 LG816615560 or 816615560. Listed at 18 retailers as of November 4, 2026, with prices from $502 to $2,874, a $2,372 spread on the same certified stone. Brilliant Earth lists it at $2,874. 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 angle34.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816615560
Dimensions6.95 × 6.33 × 4.12 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
6.95 mm6.33 mm1.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816615560
Side View
Table 59.0%Crown 34.3°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 59.3%

Caratlytics Score

How it works →
A+
Exceptional
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 4
Current: $2,874 NZD|Low: $502 NZD|High: $4,790 NZD|Avg: $1,536 NZD|-40.0%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 5, 2026
Retailer 6$502 NZD
Retailer 14$582 NZD
Retailer 5$591 NZD
Retailer 4$623 NZD
Retailer 8$663 NZD
Retailer 15$905 NZD
Retailer 16$1,002 NZD
Retailer 13$1,024 NZD
Retailer 17$1,059 NZD
Retailer 2$1,087 NZD
Retailer 7$1,144 NZD
Retailer 18$1,607 NZD
Retailer 10$1,898 NZD
Retailer 12$2,001 NZD
Retailer 3$2,090 NZD
Retailer 11$2,487 NZD
Retailer 9$2,562 NZD
Brilliant Earth$2,874 NZD

32 data points across 18 retailers

18 retailers$502 NZD to $2,874 NZD

A+
Cheapest Retailer
-
$502 NZD
A
Retailer 2
-
$582 NZD
View
A
Retailer 3
-
$591 NZD
View
Final sale: no returns
A
Retailer 4
-
$623 NZD
View
Retailer 5
-
$663 NZD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$905 NZD
View
A
Retailer 7
-
$1,002 NZD
View
A
Retailer 8
-
$1,024 NZD
View
B+
Retailer 9
-
$1,059 NZD
View
B+
Retailer 10
-
$1,087 NZD
View
B+
Retailer 11
-
$1,144 NZD
View
B+
Retailer 12
-
$1,607 NZD
View
B
Retailer 13
-
$1,898 NZD
View
B+
Retailer 14
-
$2,001 NZD
View
B+
Retailer 15
-
$2,090 NZD
View
B
Retailer 16
-
$2,487 NZD
View
B
Retailer 17
-
$2,562 NZD
View
Most Expensive
B
Brilliant Earth
21421190A · Nov 4
$2,874 NZD
$1,620 USD
View
17 more retailers have this diamond
Prices start from $502 NZDSave up to $2,372 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
$502 NZD