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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 $324 USD
As of November 2, 2026
Save $2,546 USD (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,870 USD at Do Amore Diamonds · As of November 2, 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 2, 2026, with prices from $324 to $2,870, a $2,546 spread on the same certified stone. Do Amore Diamonds lists it at $2,870. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $2,870 USD|Low: $324 USD|High: $4,220 USD|Avg: $1,315 USD|-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$324 USD
Retailer 4$375 USD
Retailer 6$532 USD
Retailer 12$561 USD
Retailer 8$590 USD
Retailer 14$651 USD
Retailer 5$726 USD
Retailer 7$750 USD
Retailer 10$1,013 USD
Retailer 13$1,177 USD
Retailer 3$1,424 USD
Retailer 2$1,731 USD
Retailer 9$2,710 USD
Do Amore Diamonds$2,870 USD

34 data points across 14 retailers

14 retailers$324 USD to $2,870 USD

A
Cheapest Retailer
-
$324 USD
A
Retailer 2
-
$375 USD
View
A
Retailer 3
-
$532 USD
View
Final sale: no returns
A
Retailer 4
-
$561 USD
View
A
Retailer 5
-
$590 USD
View
A
Retailer 6
-
$651 USD
View
A
Retailer 7
-
$726 USD
View
A
Retailer 8
-
$750 USD
€714 EUR
View
B+
Retailer 9
-
$1,013 USD
A$1,558 AUD
View
B+
Retailer 10
-
$1,177 USD
View
B+
Retailer 11
-
$1,424 USD
View
B+
Retailer 12
-
$1,731 USD
£1,363 GBP
View
B
Retailer 13
-
$2,710 USD
View
Most Expensive
B
Do Amore Diamonds
27-D99053B2D · Nov 2
$2,870 USD
View
13 more retailers have this diamond
Prices start from $324 USDSave up to $2,546 USD

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
$324 USD