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Heart|Lab Grown|IGI

1.27ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG836620005

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836620005

Diamond specifications and retailer prices

From $505 AUD
As of November 4, 2026
Save $3,287 AUD (87%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,792 AUD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.27ct lab-grown heart diamond

This 1.27ct 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 LG836620005 or 836620005. Listed at 18 retailers as of November 4, 2026, with prices from $505 to $3,792, a $3,287 spread on the same certified stone. Brilliant Earth lists it at $3,792. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.27
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836620005
Dimensions7.00 × 7.45 × 4.13 mm
L/W Ratio1.06
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
7.00 mm7.45 mm1.27 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836620005
Side View
Table 60.0%Crown 35°Girdle: STK-THKPavilion 36.6°Culet: NoneDepth 55.4%

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: $3,792 AUD|Low: $505 AUD|High: $4,775 AUD|Avg: $1,577 AUD|-20.6%
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$505 AUD
Retailer 3$586 AUD
Retailer 5$600 AUD
Retailer 16$626 AUD
Retailer 18$626 AUD
Retailer 15$841 AUD
Retailer 14$991 AUD
Retailer 9$1,004 AUD
Retailer 13$1,079 AUD
Retailer 2$1,115 AUD
Retailer 4$1,243 AUD
Retailer 12$1,578 AUD
Retailer 17$2,013 AUD
Retailer 7$2,071 AUD
Retailer 10$2,262 AUD
Retailer 11$2,439 AUD
Retailer 6$2,606 AUD
Brilliant Earth$3,792 AUD

37 data points across 18 retailers

18 retailers$505 AUD to $3,792 AUD

A
Cheapest Retailer
-
$505 AUD
A
Retailer 2
-
$586 AUD
View
A
Retailer 3
-
$600 AUD
View
Final sale: no returns
A
Retailer 4
-
$626 AUD
View
Retailer 5
-
$626 AUD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$841 AUD
View
A
Retailer 7
-
$991 AUD
View
A
Retailer 8
-
$1,004 AUD
View
A
Retailer 9
-
$1,079 AUD
View
A
Retailer 10
-
$1,115 AUD
View
B+
Retailer 11
-
$1,243 AUD
View
B+
Retailer 12
-
$1,578 AUD
View
B+
Retailer 13
-
$2,013 AUD
View
B+
Retailer 14
-
$2,071 AUD
View
B+
Retailer 15
-
$2,262 AUD
View
B+
Retailer 16
-
$2,439 AUD
View
B
Retailer 17
-
$2,606 AUD
View
Most Expensive
B
Brilliant Earth
21589719A · Nov 4
$3,792 AUD
$2,660 USD
View
17 more retailers have this diamond
Prices start from $505 AUDSave up to $3,287 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
1.27ct Heart
$505 AUD