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Heart|Lab Grown|IGI

1.31ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG800676805

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG800676805

Diamond specifications and retailer prices

From $462 AUD
As of November 4, 2026
Save $3,629 AUD (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,091 AUD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.31ct lab-grown heart diamond

This 1.31ct 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 LG800676805 or 800676805. Listed at 14 retailers as of November 4, 2026, with prices from $462 to $4,091, a $3,629 spread on the same certified stone. Do Amore Diamonds lists it at $4,091. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800676805
Dimensions7.01 × 7.36 × 4.48 mm
L/W Ratio1.05
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
7.01 mm7.36 mm1.31 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800676805
Side View
Table 60.0%Crown 34.9°Girdle: MED-THKPavilion 41°Culet: NoneDepth 60.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $4,091 AUD|Low: $462 AUD|High: $6,016 AUD|Avg: $1,861 AUD|-32.0%
Do Amore Diamonds
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
November 1, 2026
Retailer 11$462 AUD
Retailer 4$535 AUD
Retailer 6$758 AUD
Retailer 12$800 AUD
Retailer 8$841 AUD
Retailer 14$928 AUD
Retailer 5$1,035 AUD
Retailer 7$1,068 AUD
Retailer 10$1,443 AUD
Retailer 13$1,678 AUD
Retailer 3$2,030 AUD
Retailer 2$2,468 AUD
Retailer 9$3,863 AUD
Do Amore Diamonds$4,091 AUD

32 data points across 14 retailers

14 retailers$462 AUD to $4,091 AUD

A
Cheapest Retailer
-
$462 AUD
A
Retailer 2
-
$535 AUD
View
A
Retailer 3
-
$758 AUD
View
Final sale: no returns
A
Retailer 4
-
$800 AUD
View
A
Retailer 5
-
$841 AUD
View
A
Retailer 6
-
$928 AUD
View
A
Retailer 7
-
$1,035 AUD
View
A
Retailer 8
-
$1,068 AUD
View
B+
Retailer 9
-
$1,443 AUD
View
B+
Retailer 10
-
$1,678 AUD
View
B+
Retailer 11
-
$2,030 AUD
View
B+
Retailer 12
-
$2,468 AUD
View
B
Retailer 13
-
$3,863 AUD
View
Most Expensive
B
Do Amore Diamonds
27-D99053B2D · Nov 4
$4,091 AUD
$2,870 USD
View
13 more retailers have this diamond
Prices start from $462 AUDSave up to $3,629 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
1.31ct Heart
$462 AUD