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Heart|Lab Grown|IGI

1.03ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG758514295

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG758514295

Diamond specifications and retailer prices

From $294 USD
As of October 30, 2026
Save $1,156 USD (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,450 USD at Brilliant Earth · As of October 30, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG758514295 or 758514295. Listed at 20 retailers as of October 30, 2026, with prices from $294 to $1,450, a $1,156 spread on the same certified stone. Brilliant Earth lists it at $1,450. 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
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG758514295
Dimensions6.38 × 6.91 × 4.00 mm
L/W Ratio1.08
Girdle conditionFaceted
Culet sizePointed
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
6.38 mm6.91 mm1.03 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG758514295
Side View
Table 61.0%Crown 36.3°Girdle: STK-THKPavilion 38°Culet: NoneDepth 57.9%

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: Oct 30
Current: $1,450 USD|Low: $191 USD|High: $1,700 USD|Avg: $615 USD|-14.7%
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
October 31, 2026
Retailer 7$266 USD
Retailer 9$294 USD
Retailer 12$362 USD
Retailer 10$437 USD
Retailer 14$442 USD
Retailer 2$470 USD
Retailer 3$550 USD
Retailer 5$568 USD
Retailer 15$570 USD
Retailer 4$629 USD
Retailer 8$829 USD
Retailer 6$880 USD
Retailer 11$1,036 USD
Retailer 13$1,217 USD
Brilliant Earth$1,450 USD

38 data points across 15 retailers

20 retailers$294 USD to $1,450 USD

Retailer 1
-
$215 USD
Price last confirmed 23 days ago
Retailer 2
-
$249 USD
View
Price last confirmed 32 days ago
Retailer 3
-
$263 USD
View
Price last confirmed 36 days ago
Retailer 4
-
$266 USD
View
Price last confirmed 28 days ago
Retailer 5
-
$266 USD
View
Price last confirmed 19 days ago
A
Retailer 6
-
$294 USD
View
Final sale: no returns
A
Retailer 7
-
$362 USD
View
A
Retailer 8
-
$437 USD
€416 EUR
View
A
Retailer 9
-
$442 USD
ZAR 7,135 ZAR
View
A
Retailer 10
-
$470 USD
£370 GBP
View
B+
Retailer 11
-
$550 USD
View
B+
Retailer 12
-
$568 USD
View
B+
Retailer 13
-
$570 USD
View
B+
Retailer 14
-
$629 USD
A$967 AUD
View
B+
Retailer 15
-
$829 USD
View
Retailer 16
-
$855 USD
View
Price last confirmed 30 days ago
B+
Retailer 17
-
$880 USD
View
B+
Retailer 18
-
$1,036 USD
£816 GBP
View
B
Retailer 19
-
$1,217 USD
View
Most Expensive
B
Brilliant Earth
16948211A · Oct 30
$1,450 USD
View
19 more retailers have this diamond
Prices start from $294 USDSave up to $1,156 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
$294 USD