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Heart|Lab Grown|IGI

1.01ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG620421919

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG620421919

Diamond specifications and retailer prices

From €317 EUR
$354 USD
As of November 1, 2026
Save €1,178 EUR (79%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €1,495 EUR at Brilliant Earth · As of October 27, 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 LG620421919 or 620421919. Listed at 22 retailers as of October 27, 2026, with prices from €317 to €1,495, a €1,178 spread on the same certified stone. Brilliant Earth lists it at €1,495. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620421919
Dimensions6.24 × 6.81 × 4.02 mm
L/W Ratio1.09
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
6.24 mm6.81 mm1.01 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620421919
Side View
Table 57.0%Crown 34.9°Girdle: ThickPavilion 37.7°Culet: NoneDepth 59.0%

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: €1,316 EUR|Low: €277 EUR|High: €2,166 EUR|Avg: €691 EUR|-39.3%
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 1, 2026
Retailer 10€277 EUR
Retailer 2€317 EUR
Retailer 8€358 EUR
Retailer 9€358 EUR
Retailer 12€361 EUR
Retailer 5€473 EUR
Retailer 15€474 EUR
Retailer 6€527 EUR
Retailer 18€564 EUR
Retailer 14€570 EUR
Retailer 4€603 EUR
Retailer 13€626 EUR
Retailer 3€856 EUR
Retailer 16€866 EUR
Retailer 7€1,169 EUR
Retailer 17€1,261 EUR
Brilliant Earth€1,316 EUR
Retailer 11€1,406 EUR

34 data points across 18 retailers

22 retailers€317 EUR to €1,495 EUR

Retailer 1
-
€277 EUR
$310 USD
Price last confirmed 30 days ago
A
Retailer 2
-
€317 EUR
$354 USD
View
Final sale: no returns
Retailer 3
-
€336 EUR
$375 USD
View
Price last confirmed 33 days ago
Retailer 4
-
€358 EUR
$400 USD
View
Price last confirmed 29 days ago
Retailer 5
-
€358 EUR
$400 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
€361 EUR
£318 GBP
View
A
Retailer 7
-
€473 EUR
$528 USD
View
A
Retailer 8
-
€474 EUR
$530 USD
View
B+
Retailer 9
-
€527 EUR
$589 USD
View
B+
Retailer 10
-
€564 EUR
$630 USD
View
B+
Retailer 11
-
€570 EUR
View
B+
Retailer 12
-
€603 EUR
ZAR 10,883 ZAR
View
B+
Retailer 13
-
€626 EUR
£550 GBP
View
B+
Retailer 14
-
€856 EUR
A$1,471 AUD
View
B+
Retailer 15
-
€866 EUR
$967 USD
View
Retailer 16
-
€1,152 EUR
$1,287 USD
View
Price last confirmed 32 days ago
B
Retailer 17
-
€1,169 EUR
$1,306 USD
View
B
Retailer 18
-
€1,261 EUR
$1,409 USD
View
Retailer 19
-
€1,274 EUR
A$2,189 AUD
View
Price last confirmed 157 days ago
B
Retailer 20
-
€1,316 EUR
$1,470 USD
View
B
Retailer 21
-
€1,406 EUR
£1,237 GBP
View
Most Expensive
B
Brilliant Earth
11259346A · Oct 27
€1,495 EUR
$1,670 USD
View
21 more retailers have this diamond
Prices start from €317 EURSave up to €1,178 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
€317 EUR