CaratHunter
Plans
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 $330 USD
As of October 28, 2026
Save $1,169 USD (78%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,530 USD 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 28, 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
Color
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 28
Current: $648 USD|Low: $305 USD|High: $1,882 USD|Avg: $987 USD|-22.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 2$330 USD
Retailer 7$518 USD
Retailer 5$603 USD
Retailer 11$614 USD
Retailer 8$630 USD
Retailer 10$645 USD
Retailer 1$648 USD
Retailer 12$821 USD
Retailer 3$1,227 USD
Retailer 4$1,335 USD
Retailer 6$1,477 USD
Retailer 9$1,499 USD

35 data points across 12 retailers

18 retailers$330 USD to $1,499 USD

A
Cheapest Retailer
-
$330 USD
Final sale: no returns
A
Retailer 2
-
$384 USD
View
Price last confirmed 21 days ago
A
Retailer 3
-
$430 USD
View
Price last confirmed 30 days ago
A
Retailer 4
-
$470 USD
View
Price last confirmed 34 days ago
A
Retailer 5
-
$476 USD
View
Price last confirmed 26 days ago
A
Retailer 6
-
$476 USD
View
Price last confirmed 17 days ago
A
Retailer 7
-
$518 USD
View
B+
Retailer 8
-
$603 USD
€574 EUR
View
B+
Retailer 9
-
$614 USD
View
B+
Retailer 10
-
$630 USD
ZAR 10,180 ZAR
View
B+
Retailer 11
-
$645 USD
View
B+
Retailer 12
-
$648 USD
£510 GBP
View
B+
Retailer 13
-
$821 USD
View
B
Retailer 14
-
$1,227 USD
View
B
Retailer 15
-
$1,335 USD
View
B
Retailer 16
-
$1,477 USD
£1,163 GBP
View
B
Retailer 17
-
$1,499 USD
View
Most Expensive
B
NZ Jewellers
ca505065-b642-429d-9b7e-5c9be786a09c · Sep 30
$1,530 USD
View
Price last confirmed 28 days ago
17 more retailers have this diamond
Prices start from $330 USDSave up to $1,169 USD

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
$330 USD