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Heart|Lab Grown|IGI

1.03ct E FL Heart Lab Grown Diamond

ID • E/FL • IGI LG818671749

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818671749

Diamond specifications and retailer prices

From $586 NZD
$330 USD
As of October 30, 2026
Save $2,075 NZD (78%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,715 NZD at NZ Jewellers · As of September 30, 2026
View at NZ Jewellers

About this 1.03ct lab-grown heart diamond

This 1.03ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818671749 or 818671749. Listed at 18 retailers as of October 30, 2026, with a 354% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818671749
Dimensions6.42 × 6.95 × 4.05 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
6.42 mm6.95 mm1.03 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818671749
Side View
Table 58.0%Crown 36.3°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 58.3%

Caratlytics Score

How it works →
A
Excellent
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: Oct 30
Current: $1,060 NZD|Low: $541 NZD|High: $3,339 NZD|Avg: $1,682 NZD|-19.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 3$586 NZD
Retailer 5$845 NZD
Retailer 10$919 NZD
Retailer 7$923 NZD
Retailer 1$1,060 NZD
Retailer 13$1,089 NZD
Retailer 11$1,118 NZD
Retailer 6$1,153 NZD
Retailer 2$1,458 NZD
Retailer 8$1,657 NZD
Retailer 4$2,177 NZD
Retailer 9$2,621 NZD
Retailer 12$2,660 NZD

35 data points across 13 retailers

18 retailers$586 NZD to $2,660 NZD

A
Cheapest Retailer
-
$586 NZD
$330 USD
Final sale: no returns
Retailer 2
-
$681 NZD
$384 USD
View
Price last confirmed 23 days ago
Retailer 3
-
$763 NZD
$430 USD
View
Price last confirmed 33 days ago
Retailer 4
-
$834 NZD
$470 USD
View
Price last confirmed 36 days ago
Retailer 5
-
$845 NZD
$476 USD
View
Price last confirmed 28 days ago
Retailer 6
-
$845 NZD
$476 USD
View
Price last confirmed 19 days ago
A
Retailer 7
-
$919 NZD
$518 USD
View
A
Retailer 8
-
$923 NZD
$520 USD
View
B+
Retailer 9
-
$1,060 NZD
€569 EUR
View
B+
Retailer 10
-
$1,089 NZD
$614 USD
View
B+
Retailer 11
-
$1,118 NZD
ZAR 10,180 ZAR
View
B+
Retailer 12
-
$1,153 NZD
£512 GBP
View
B+
Retailer 13
-
$1,458 NZD
$821 USD
View
B+
Retailer 14
-
$1,657 NZD
$934 USD
View
B
Retailer 15
-
$2,177 NZD
$1,227 USD
View
B
Retailer 16
-
$2,621 NZD
£1,163 GBP
View
B
Retailer 17
-
$2,660 NZD
$1,499 USD
View
Most Expensive
NZ Jewellers
ca505065-b642-429d-9b7e-5c9be786a09c · Sep 30
$2,715 NZD
$1,530 USD
View
Price last confirmed 31 days ago
17 more retailers have this diamond
Prices start from $586 NZDSave up to $2,075 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
$586 NZD