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Heart|Lab Grown|IGI

1.27ct D FL Heart Lab Grown Diamond

EX • D/FL • IGI LG788629944

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG788629944

Diamond specifications and retailer prices

From $770 AUD
As of November 5, 2026
Save $2,965 AUD (79%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $3,735 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 LG788629944 or 788629944. Listed at 4 retailers as of November 4, 2026, with prices from $770 to $3,735, a $2,965 spread on the same certified stone. Brilliant Earth lists it at $3,735. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788629944
Dimensions6.75 × 7.52 × 4.29 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
6.75 mm7.52 mm1.27 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788629944
Side View
Table 57.0%Crown 36.9°Girdle: STK-THKPavilion 37.3°Culet: NoneDepth 57.0%

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 5
Current: $3,735 AUD|Low: $770 AUD|High: $7,966 AUD|Avg: $3,542 AUD|-23.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 2$770 AUD
Retailer 4$892 AUD
Retailer 3$1,517 AUD
Retailer 7$2,670 AUD
Retailer 9$3,088 AUD
Retailer 5$3,370 AUD
Retailer 6$3,386 AUD
Brilliant Earth$3,735 AUD
Retailer 8$7,966 AUD

12 data points across 9 retailers

4 retailers$770 AUD to $3,735 AUD

A
Cheapest Retailer
-
$770 AUD
A
Retailer 2
-
$892 AUD
View
B+
Retailer 3
-
$1,517 AUD
View
Most Expensive
B
Brilliant Earth
21413086Y · Nov 4
$3,735 AUD
$2,620 USD
View
3 more retailers have this diamond
Prices start from $770 AUDSave up to $2,965 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
$770 AUD