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Heart|Lab Grown|IGI

1.26ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG836619993

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836619993

Diamond specifications and retailer prices

From $502 AUD
As of November 4, 2026
Save $3,262 AUD (87%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,763 AUD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.26ct lab-grown heart diamond

This 1.26ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836619993 or 836619993. Listed at 18 retailers as of November 4, 2026, with prices from $502 to $3,763, a $3,262 spread on the same certified stone. Brilliant Earth lists it at $3,763. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.26
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836619993
Dimensions6.66 × 7.31 × 4.21 mm
L/W Ratio1.10
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
6.66 mm7.31 mm1.26 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836619993
Side View
Table 57.0%Crown 36.9°Girdle: MED-STKPavilion 36.8°Culet: NoneDepth 57.6%

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 4
Current: $3,763 AUD|Low: $502 AUD|High: $4,733 AUD|Avg: $1,572 AUD|-20.5%
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 5, 2026
Retailer 8$502 AUD
Retailer 3$582 AUD
Retailer 5$596 AUD
Retailer 16$622 AUD
Retailer 18$622 AUD
Retailer 15$841 AUD
Retailer 14$982 AUD
Retailer 9$996 AUD
Retailer 13$1,072 AUD
Retailer 2$1,106 AUD
Retailer 4$1,226 AUD
Retailer 12$1,565 AUD
Retailer 17$1,999 AUD
Retailer 7$2,057 AUD
Retailer 10$2,247 AUD
Retailer 11$2,422 AUD
Retailer 6$2,584 AUD
Brilliant Earth$3,763 AUD

37 data points across 18 retailers

18 retailers$502 AUD to $3,763 AUD

A
Cheapest Retailer
-
$502 AUD
A
Retailer 2
-
$582 AUD
View
A
Retailer 3
-
$596 AUD
View
Final sale: no returns
A
Retailer 4
-
$622 AUD
View
Retailer 5
-
$622 AUD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$841 AUD
View
A
Retailer 7
-
$982 AUD
View
A
Retailer 8
-
$996 AUD
View
A
Retailer 9
-
$1,072 AUD
View
A
Retailer 10
-
$1,106 AUD
View
B+
Retailer 11
-
$1,226 AUD
View
B+
Retailer 12
-
$1,565 AUD
View
B+
Retailer 13
-
$1,999 AUD
View
B+
Retailer 14
-
$2,057 AUD
View
B+
Retailer 15
-
$2,247 AUD
View
B+
Retailer 16
-
$2,422 AUD
View
B
Retailer 17
-
$2,584 AUD
View
Most Expensive
B
Brilliant Earth
21588995A · Nov 4
$3,763 AUD
$2,640 USD
View
17 more retailers have this diamond
Prices start from $502 AUDSave up to $3,262 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
1.26ct Heart
$502 AUD