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Heart|Lab Grown|IGI

1.03ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG606361921

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG606361921

Diamond specifications and retailer prices

From €323 EUR
$361 USD
As of November 1, 2026
Save €1,108 EUR (77%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €2,211 EUR at Brilliant Earth · As of October 9, 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 LG606361921 or 606361921. Listed at 21 retailers as of November 1, 2026, with a 343% 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
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG606361921
Dimensions6.64 × 7.02 × 3.89 mm
L/W Ratio1.06
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
6.64 mm7.02 mm1.03 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG606361921
Side View
Table 61.0%Crown 37.2°Girdle: MED-STKPavilion 38.1°Culet: NoneDepth 55.4%

Caratlytics Score

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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: Nov 1
Current: €2,211 EUR|Low: €283 EUR|High: €2,211 EUR|Avg: €680 EUR
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
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 10€283 EUR
Retailer 12€323 EUR
Retailer 8€365 EUR
Retailer 9€365 EUR
Retailer 14€368 EUR
Retailer 5€482 EUR
Retailer 16€483 EUR
Retailer 6€546 EUR
Retailer 3€570 EUR
Retailer 15€579 EUR
Retailer 11€616 EUR
Retailer 2€638 EUR
Retailer 4€872 EUR
Retailer 17€883 EUR
Retailer 7€1,189 EUR
Retailer 18€1,286 EUR
Retailer 13€1,431 EUR
Brilliant Earth€2,211 EUR

34 data points across 18 retailers

21 retailers€323 EUR to €1,431 EUR

Retailer 1
-
€283 EUR
$316 USD
Price last confirmed 30 days ago
A
Retailer 2
-
€323 EUR
$361 USD
View
Final sale: no returns
Retailer 3
-
€341 EUR
$381 USD
View
Price last confirmed 34 days ago
Retailer 4
-
€365 EUR
$408 USD
View
Price last confirmed 29 days ago
Retailer 5
-
€365 EUR
$408 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
€368 EUR
£324 GBP
View
A
Retailer 7
-
€482 EUR
$538 USD
View
A
Retailer 8
-
€483 EUR
$540 USD
View
B+
Retailer 9
-
€546 EUR
$610 USD
View
B+
Retailer 10
-
€570 EUR
$637 USD
View
B+
Retailer 11
-
€579 EUR
View
B+
Retailer 12
-
€616 EUR
ZAR 11,119 ZAR
View
B+
Retailer 13
-
€638 EUR
£561 GBP
View
B+
Retailer 14
-
€872 EUR
A$1,498 AUD
View
B+
Retailer 15
-
€883 EUR
$986 USD
View
Retailer 16
-
€934 EUR
A$1,606 AUD
View
Price last confirmed 159 days ago
Retailer 17
-
€1,173 EUR
$1,311 USD
View
Price last confirmed 32 days ago
B
Retailer 18
-
€1,189 EUR
$1,328 USD
View
B
Retailer 19
-
€1,286 EUR
$1,437 USD
View
B
Retailer 20
-
€1,431 EUR
£1,259 GBP
View
Most Expensive
Brilliant Earth
11243995A · Oct 9
€2,211 EUR
$2,470 USD
View
Price last confirmed 23 days ago
20 more retailers have this diamond
Prices start from €323 EURSave up to €1,108 EUR

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
€323 EUR