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Heart|Lab Grown|IGI

1.03ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG836621261

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836621261

Diamond specifications and retailer prices

From $295 AUD
$207 USD
As of October 30, 2026
Save $1,770 AUD (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,064 AUD at Brilliant Earth · As of October 31, 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 LG836621261 or 836621261. Listed at 19 retailers as of October 30, 2026, with prices from $295 to $2,064, a $1,770 spread on the same certified stone. Brilliant Earth lists it at $2,064. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836621261
Dimensions6.41 × 7.11 × 4.02 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
6.41 mm7.11 mm1.03 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836621261
Side View
Table 55.0%Crown 33.3°Girdle: MED-STKPavilion 37.9°Culet: NoneDepth 56.5%

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: $2,064 AUD|Low: $295 AUD|High: $2,064 AUD|Avg: $770 AUD
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
Retailer 19
November 1, 2026
Retailer 4$295 AUD
Retailer 7$330 AUD
Retailer 18$343 AUD
Retailer 3$366 AUD
Retailer 10$366 AUD
Retailer 2$377 AUD
Retailer 13$610 AUD
Retailer 14$629 AUD
Retailer 8$632 AUD
Retailer 12$675 AUD
Retailer 5$811 AUD
Retailer 15$895 AUD
Retailer 17$941 AUD
Retailer 9$1,069 AUD
Retailer 11$1,176 AUD
Retailer 6$1,252 AUD
Retailer 19$1,364 AUD
Retailer 16$1,468 AUD
Brilliant Earth$2,064 AUD

28 data points across 19 retailers

19 retailers$295 AUD to $2,064 AUD

A+
Cheapest Retailer
-
$295 AUD
$207 USD
A
Retailer 2
-
$330 AUD
$232 USD
View
Final sale: no returns
A
Retailer 3
-
$343 AUD
$241 USD
View
A
Retailer 4
-
$366 AUD
$257 USD
View
A
Retailer 5
-
$366 AUD
$257 USD
View
A
Retailer 6
-
$377 AUD
£208 GBP
View
A
Retailer 7
-
$610 AUD
€408 EUR
View
A
Retailer 8
-
$629 AUD
ZAR 7,135 ZAR
View
A
Retailer 9
-
$632 AUD
$444 USD
View
A
Retailer 10
-
$675 AUD
£373 GBP
View
B+
Retailer 11
-
$811 AUD
$570 USD
View
B+
Retailer 12
-
$895 AUD
View
B+
Retailer 13
-
$941 AUD
$661 USD
View
B+
Retailer 14
-
$1,069 AUD
SGD 1,015 SGD
View
B+
Retailer 15
-
$1,176 AUD
$826 USD
View
B+
Retailer 16
-
$1,252 AUD
$880 USD
View
B+
Retailer 17
-
$1,364 AUD
$958 USD
View
B+
Retailer 18
-
$1,468 AUD
£812 GBP
View
Most Expensive
B
Brilliant Earth
21589887A · Oct 31
$2,064 AUD
$1,450 USD
View
18 more retailers have this diamond
Prices start from $295 AUDSave up to $1,770 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+
1.03ct Heart
$295 AUD