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Heart|Lab Grown|IGI

1.03ct E FL Heart Lab Grown Diamond

ID • E/FL • IGI LG818681463

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818681463

Diamond specifications and retailer prices

From $235 USD
As of October 27, 2026
Save $2,015 USD (90%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,250 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 LG818681463 or 818681463. Listed at 12 retailers as of October 27, 2026, with prices from $235 to $2,250, a $2,015 spread on the same certified stone. Do Amore Diamonds lists it at $2,250. 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 angle37.3°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818681463
Dimensions6.36 × 6.74 × 4.14 mm
L/W Ratio1.06
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
6.36 mm6.74 mm1.03 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818681463
Side View
Table 57.0%Crown 37.3°Girdle: Slightly ThickPavilion 39.8°Culet: NoneDepth 61.4%

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 27
Current: $2,250 USD|Low: $235 USD|High: $2,990 USD|Avg: $1,005 USD|-24.7%
Do Amore Diamonds
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
October 29, 2026
Retailer 10$235 USD
Retailer 14$272 USD
Retailer 8$341 USD
Retailer 3$476 USD
Retailer 4$480 USD
Retailer 12$493 USD
Retailer 2$560 USD
Retailer 9$805 USD
Retailer 11$938 USD
Retailer 13$1,032 USD
Retailer 7$1,294 USD
Retailer 6$1,862 USD
Retailer 5$2,150 USD
Do Amore Diamonds$2,250 USD

30 data points across 14 retailers

12 retailers$235 USD to $2,250 USD

A
Cheapest Retailer
-
$235 USD
A
Retailer 2
-
$272 USD
View
A
Retailer 3
-
$341 USD
£269 GBP
View
A
Retailer 4
-
$476 USD
View
A
Retailer 5
-
$493 USD
View
A
Retailer 6
-
$560 USD
€533 EUR
View
B+
Retailer 7
-
$805 USD
A$1,238 AUD
View
B+
Retailer 8
-
$938 USD
View
B+
Retailer 9
-
$1,032 USD
View
B
Retailer 10
-
$1,294 USD
£1,019 GBP
View
B
Retailer 11
-
$2,150 USD
View
Most Expensive
B
Do Amore Diamonds
27-DCF1FC5A6 · Oct 29
$2,250 USD
View
11 more retailers have this diamond
Prices start from $235 USDSave up to $2,015 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
$235 USD