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Heart|Lab Grown|IGI

1.72ct D FL Heart Lab Grown Diamond

VG • D/FL • IGI LG818653729

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818653729

Diamond specifications and retailer prices

From $947 AUD
$665 USD
As of October 30, 2026
Save $7,467 AUD (89%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $8,413 AUD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.72ct lab-grown heart diamond

This 1.72ct 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 LG818653729 or 818653729. Listed at 10 retailers as of October 30, 2026, with prices from $947 to $8,413, a $7,467 spread on the same certified stone. Do Amore Diamonds lists it at $8,413. 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

1.72
Carat
D
Colour
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818653729
Dimensions8.30 × 7.32 × 4.82 mm
L/W Ratio1.13
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
8.30 mm7.32 mm1.72 ctD / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818653729
Side View
Table 55.0%Crown 34.1°Girdle: MED-THKPavilion 38.7°Culet: NoneDepth 58.1%

Caratlytics Score

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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: Oct 30
Current: $8,413 AUD|Low: $947 AUD|High: $8,798 AUD|Avg: $3,271 AUD|-4.4%
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
October 30, 2026
Retailer 13$947 AUD
Retailer 10$1,031 AUD
Retailer 6$1,116 AUD
Retailer 12$1,473 AUD
Retailer 14$1,789 AUD
Retailer 7$1,794 AUD
Retailer 5$2,123 AUD
Retailer 3$2,373 AUD
Retailer 9$2,722 AUD
Retailer 11$3,408 AUD
Retailer 8$4,768 AUD
Retailer 4$5,380 AUD
Retailer 2$5,766 AUD
Do Amore Diamonds$8,413 AUD

17 data points across 14 retailers

10 retailers$947 AUD to $8,413 AUD

A
Cheapest Retailer
-
$947 AUD
$665 USD
A
Retailer 2
-
$1,031 AUD
$724 USD
View
A
Retailer 3
-
$1,473 AUD
$1,035 USD
View
A
Retailer 4
-
$1,789 AUD
$1,257 USD
View
B+
Retailer 5
-
$1,794 AUD
$1,260 USD
View
B+
Retailer 6
-
$2,722 AUD
$1,912 USD
View
B+
Retailer 7
-
$3,408 AUD
$2,394 USD
View
B
Retailer 8
-
$4,768 AUD
£2,637 GBP
View
B
Retailer 9
-
$5,766 AUD
$4,050 USD
View
Most Expensive
B
Do Amore Diamonds
27-B04C7D7E2 · Oct 30
$8,413 AUD
$5,910 USD
View
9 more retailers have this diamond
Prices start from $947 AUDSave up to $7,467 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
1.72ct Heart
$947 AUD