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Heart|Lab Grown|IGI

1.72ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG799644271

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG799644271

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 29, 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 top-tier cut grade and certified by IGI LG799644271 or 799644271. Listed at 10 retailers as of October 29, 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. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.72
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799644271
Dimensions8.33 × 7.50 × 4.59 mm
L/W Ratio1.11
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
8.33 mm7.50 mm1.72 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799644271
Side View
Table 59.0%Crown 36.7°Girdle: STK-THKPavilion 36.2°Culet: NoneDepth 55.1%

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: Oct 30
Current: $5,910 USD|Low: $665 USD|High: $6,180 USD|Avg: $2,449 USD|-4.4%
Do Amore Diamonds
Retailer 2
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Retailer 17
October 28, 2026
Retailer 15$665 USD
Retailer 11$724 USD
Retailer 4$748 USD
Retailer 14$1,035 USD
Retailer 16$1,257 USD
Retailer 2$1,260 USD
Retailer 8$1,491 USD
Retailer 3$1,667 USD
Retailer 13$1,912 USD
Retailer 5$1,961 USD
Retailer 12$2,394 USD
Retailer 10$3,349 USD
Retailer 9$3,350 USD
Retailer 7$3,779 USD
Retailer 6$3,849 USD
Retailer 17$5,470 USD
Do Amore Diamonds$5,910 USD

14 data points across 17 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
27-1FCBFD474 · Oct 29
$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