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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 $505 AUD
$354 USD
As of November 1, 2026
Save $1,878 AUD (79%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,383 AUD 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 $505 to $2,383, a $1,878 spread on the same certified stone. Brilliant Earth lists it at $2,383. 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
Colour
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

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: Nov 1
Current: $2,098 AUD|Low: $442 AUD|High: $3,453 AUD|Avg: $1,115 AUD|-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 3, 2026
Retailer 10$442 AUD
Retailer 14$505 AUD
Retailer 8$571 AUD
Retailer 9$571 AUD
Retailer 12$576 AUD
Retailer 5$753 AUD
Retailer 17$756 AUD
Retailer 6$840 AUD
Retailer 3$899 AUD
Retailer 16$908 AUD
Retailer 13$965 AUD
Retailer 2$998 AUD
Retailer 4$1,364 AUD
Retailer 11$1,393 AUD
Retailer 7$1,864 AUD
Retailer 18$2,011 AUD
Brilliant Earth$2,098 AUD
Retailer 15$2,242 AUD

33 data points across 18 retailers

22 retailers$505 AUD to $2,383 AUD

Retailer 1
-
$442 AUD
$310 USD
Price last confirmed 31 days ago
A
Retailer 2
-
$505 AUD
$354 USD
View
Final sale: no returns
Retailer 3
-
$535 AUD
$375 USD
View
Price last confirmed 35 days ago
Retailer 4
-
$571 AUD
$400 USD
View
Price last confirmed 30 days ago
Retailer 5
-
$571 AUD
$400 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$576 AUD
£318 GBP
View
A
Retailer 7
-
$753 AUD
$528 USD
View
A
Retailer 8
-
$756 AUD
$530 USD
View
B+
Retailer 9
-
$840 AUD
$589 USD
View
B+
Retailer 10
-
$899 AUD
$630 USD
View
B+
Retailer 11
-
$908 AUD
€606 EUR
View
B+
Retailer 12
-
$965 AUD
ZAR 10,921 ZAR
View
B+
Retailer 13
-
$998 AUD
£550 GBP
View
B+
Retailer 14
-
$1,364 AUD
View
B+
Retailer 15
-
$1,393 AUD
$976 USD
View
Retailer 16
-
$1,836 AUD
$1,287 USD
View
Price last confirmed 33 days ago
B
Retailer 17
-
$1,864 AUD
$1,306 USD
View
B
Retailer 18
-
$2,011 AUD
$1,409 USD
View
Retailer 19
-
$2,030 AUD
View
Price last confirmed 159 days ago
B
Retailer 20
-
$2,098 AUD
$1,470 USD
View
B
Retailer 21
-
$2,242 AUD
£1,237 GBP
View
Most Expensive
B
Brilliant Earth
11259346A · Oct 27
$2,383 AUD
$1,670 USD
View
21 more retailers have this diamond
Prices start from $505 AUDSave up to $1,878 AUD

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
$505 AUD