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Heart|Lab Grown|IGI

1.03ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG596348623

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG596348623

Diamond specifications and retailer prices

From $322 USD
As of October 30, 2026
Save $1,286 USD (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,608 USD at MOH London · As of October 29, 2026
View at MOH London

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 LG596348623 or 596348623. Listed at 19 retailers as of October 29, 2026, with prices from $322 to $1,608, a $1,286 spread on the same certified stone. MOH London lists it at $1,608. 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 angle35.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG596348623
Dimensions7.06 × 6.35 × 4.03 mm
L/W Ratio1.11
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
7.06 mm6.35 mm1.03 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG596348623
Side View
Table 63.0%Crown 35.4°Girdle: MED-THKPavilion 40.7°Culet: NoneDepth 57.1%

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: $1,608 USD|Low: $322 USD|High: $1,654 USD|Avg: $736 USD|-2.5%
MOH London
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
November 1, 2026
Retailer 8$322 USD
Retailer 12$364 USD
Retailer 5$373 USD
Retailer 14$399 USD
Retailer 2$411 USD
Retailer 4$538 USD
Retailer 6$555 USD
Retailer 7$610 USD
Retailer 15$637 USD
Retailer 3$686 USD
Retailer 10$713 USD
Retailer 16$974 USD
Retailer 11$986 USD
Retailer 17$1,283 USD
Retailer 9$1,328 USD
Retailer 13$1,437 USD
MOH London$1,608 USD

29 data points across 17 retailers

19 retailers$322 USD to $1,608 USD

A
Cheapest Retailer
-
$322 USD
A
Retailer 2
-
$364 USD
View
Final sale: no returns
A
Retailer 3
-
$373 USD
View
A
Retailer 4
-
$399 USD
View
A
Retailer 5
-
$408 USD
View
A
Retailer 6
-
$411 USD
£324 GBP
View
A
Retailer 7
-
$538 USD
View
A
Retailer 8
-
$555 USD
View
B+
Retailer 9
-
$610 USD
View
B+
Retailer 10
-
$637 USD
View
B+
Retailer 11
-
$686 USD
ZAR 11,080 ZAR
View
B+
Retailer 12
-
$713 USD
£561 GBP
View
B+
Retailer 13
-
$974 USD
A$1,498 AUD
View
B+
Retailer 14
-
$986 USD
View
B
Retailer 15
-
$1,283 USD
View
B
Retailer 16
-
$1,328 USD
View
B
Retailer 17
-
$1,437 USD
View
Retailer 18
-
$1,451 USD
A$2,233 AUD
View
Price last confirmed 157 days ago
Most Expensive
B
MOH London
LG596348623 · Oct 29
$1,608 USD
£1,266 GBP
View
18 more retailers have this diamond
Prices start from $322 USDSave up to $1,286 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
$322 USD