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Heart|Lab Grown|IGI

1.51ct D FL Heart Lab Grown Diamond

VG • D/FL • IGI LG818654467

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818654467

Diamond specifications and retailer prices

From $805 AUD
$564 USD
As of November 2, 2026
Save $6,344 AUD (89%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $7,149 AUD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.51ct lab-grown heart diamond

This 1.51ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG818654467 or 818654467. Listed at 13 retailers as of November 2, 2026, with prices from $805 to $7,149, a $6,344 spread on the same certified stone. Do Amore Diamonds lists it at $7,149. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
D
Colour
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818654467
Dimensions7.61 × 7.31 × 4.77 mm
L/W Ratio1.04
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
7.61 mm7.31 mm1.51 ctD / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818654467
Side View
Table 56.0%Crown 35°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 62.7%

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: $7,149 AUD|Low: $805 AUD|High: $10,288 AUD|Avg: $3,241 AUD|-30.5%
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 9$805 AUD
Retailer 13$902 AUD
Retailer 14$1,199 AUD
Retailer 3$1,249 AUD
Retailer 10$1,537 AUD
Retailer 7$1,766 AUD
Retailer 4$2,224 AUD
Retailer 11$2,477 AUD
Retailer 12$2,898 AUD
Retailer 6$3,695 AUD
Retailer 2$4,344 AUD
Retailer 8$4,780 AUD
Retailer 5$5,612 AUD
Do Amore Diamonds$7,149 AUD

26 data points across 14 retailers

13 retailers$805 AUD to $7,149 AUD

A
Cheapest Retailer
-
$805 AUD
$564 USD
A
Retailer 2
-
$902 AUD
$632 USD
View
A
Retailer 3
-
$1,199 AUD
$840 USD
View
A
Retailer 4
-
$1,249 AUD
$875 USD
View
A
Retailer 5
-
$1,537 AUD
$1,077 USD
View
B+
Retailer 6
-
$1,766 AUD
€1,179 EUR
View
B+
Retailer 7
-
$2,224 AUD
View
B+
Retailer 8
-
$2,477 AUD
$1,736 USD
View
B
Retailer 9
-
$2,898 AUD
$2,031 USD
View
Retailer 10
-
$3,695 AUD
$2,589 USD
View
Price last confirmed 84 days ago
B
Retailer 11
-
$4,344 AUD
£2,397 GBP
View
B
Retailer 12
-
$4,780 AUD
$3,350 USD
View
Most Expensive
B
Do Amore Diamonds
27-4206B6745 · Nov 2
$7,149 AUD
$5,010 USD
View
12 more retailers have this diamond
Prices start from $805 AUDSave up to $6,344 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
1.51ct Heart
$805 AUD