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 $665 USD
As of October 30, 2026
Save $5,245 USD (89%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,910 USD 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 $665 to $5,910, a $5,245 spread on the same certified stone. Do Amore Diamonds lists it at $5,910. 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
Color
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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Price History

Last verified: Oct 30
Current: $5,910 USD|Low: $665 USD|High: $6,180 USD|Avg: $2,306 USD|-4.4%
Do Amore Diamonds
Retailer 2
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Retailer 14
October 28, 2026
Retailer 12$665 USD
Retailer 9$724 USD
Retailer 6$784 USD
Retailer 11$1,035 USD
Retailer 13$1,257 USD
Retailer 2$1,260 USD
Retailer 5$1,491 USD
Retailer 3$1,667 USD
Retailer 8$1,912 USD
Retailer 10$2,394 USD
Retailer 7$3,349 USD
Retailer 4$3,779 USD
Retailer 14$5,470 USD
Do Amore Diamonds$5,910 USD

16 data points across 14 retailers

10 retailers$665 USD to $5,910 USD

A
Cheapest Retailer
-
$665 USD
A
Retailer 2
-
$724 USD
View
A
Retailer 3
-
$1,035 USD
View
A
Retailer 4
-
$1,257 USD
View
B+
Retailer 5
-
$1,260 USD
View
B+
Retailer 6
-
$1,912 USD
View
B+
Retailer 7
-
$2,394 USD
View
B
Retailer 8
-
$3,349 USD
£2,637 GBP
View
B
Retailer 9
-
$5,470 USD
View
Most Expensive
B
Do Amore Diamonds
27-B04C7D7E2 · Oct 30
$5,910 USD
View
9 more retailers have this diamond
Prices start from $665 USDSave up to $5,245 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
1.72ct Heart
$665 USD