Heart|Lab Grown|IGI

1.01ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG819633794

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG819633794

Diamond specifications and retailer prices

From €233 EUR
£205 GBP
As of October 30, 2026
Save €1,038 EUR (82%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €1,271 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.01ct lab-grown heart diamond

This 1.01ct 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 LG819633794 or 819633794. Listed at 7 retailers as of October 30, 2026, with prices from €233 to €1,271, a €1,038 spread on the same certified stone. Brilliant Earth lists it at €1,271. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819633794
Dimensions6.82 × 6.13 × 4.32 mm
L/W Ratio1.11
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
6.82 mm6.13 mm1.01 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG819633794
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 41.7°Culet: NoneDepth 63.3%

Caratlytics Score

How it works →
A+
Exceptional
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: €1,271 EUR|Low: €231 EUR|High: €1,531 EUR|Avg: €681 EUR|-17.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 4€233 EUR
Retailer 3€389 EUR
Retailer 6€437 EUR
Retailer 7€551 EUR
Retailer 2€594 EUR
Retailer 5€1,059 EUR
Brilliant Earth€1,271 EUR

39 data points across 7 retailers

7 retailers€233 EUR to €1,271 EUR

A+
Cheapest Retailer
-
€233 EUR
£205 GBP
A
Retailer 2
-
€389 EUR
$435 USD
View
A
Retailer 3
-
€437 EUR
$488 USD
View
B+
Retailer 4
-
€551 EUR
A$947 AUD
View
B+
Retailer 5
-
€594 EUR
$664 USD
View
B
Retailer 6
-
€1,059 EUR
£932 GBP
View
Most Expensive
B
Brilliant Earth
20880602A · Oct 30
€1,271 EUR
$1,420 USD
View
6 more retailers have this diamond
Prices start from €233 EURSave up to €1,038 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+
1.01ct Heart
€233 EUR