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Heart|Lab Grown|IGI

1.73ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG800676925

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG800676925

Diamond specifications and retailer prices

From $643 USD
As of October 30, 2026
Save $5,067 USD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,710 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.73ct lab-grown heart diamond

This 1.73ct 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 LG800676925 or 800676925. Listed at 15 retailers as of October 29, 2026, with prices from $643 to $5,710, a $5,067 spread on the same certified stone. Do Amore Diamonds lists it at $5,710. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.73
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800676925
Dimensions7.32 × 8.05 × 4.99 mm
L/W Ratio1.10
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
7.32 mm8.05 mm1.73 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800676925
Side View
Table 57.0%Crown 35.4°Girdle: STK-THKPavilion 39.5°Culet: NoneDepth 62.0%

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: $5,710 USD|Low: $643 USD|High: $7,420 USD|Avg: $2,175 USD|-23.0%
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
Retailer 15
October 30, 2026
Retailer 11$643 USD
Retailer 4$699 USD
Retailer 13$909 USD
Retailer 8$933 USD
Retailer 5$950 USD
Retailer 7$1,038 USD
Retailer 6$1,115 USD
Retailer 12$1,217 USD
Retailer 9$1,392 USD
Retailer 15$1,721 USD
Retailer 14$1,905 USD
Retailer 3$2,314 USD
Retailer 10$3,250 USD
Retailer 2$4,070 USD
Do Amore Diamonds$5,710 USD

40 data points across 15 retailers

15 retailers$643 USD to $5,710 USD

A
Cheapest Retailer
-
$643 USD
A
Retailer 2
-
$699 USD
View
A
Retailer 3
-
$909 USD
View
A
Retailer 4
-
$933 USD
£735 GBP
View
A
Retailer 5
-
$950 USD
View
A
Retailer 6
-
$1,038 USD
View
Final sale: no returns
A
Retailer 7
-
$1,115 USD
View
A
Retailer 8
-
$1,217 USD
View
B+
Retailer 9
-
$1,392 USD
€1,326 EUR
View
B+
Retailer 10
-
$1,721 USD
A$2,648 AUD
View
B+
Retailer 11
-
$1,905 USD
View
B
Retailer 12
-
$2,314 USD
View
B+
Retailer 13
-
$3,250 USD
£2,559 GBP
View
B
Retailer 14
-
$4,070 USD
View
Most Expensive
B
Do Amore Diamonds
27-DBF8E8574 · Oct 29
$5,710 USD
View
14 more retailers have this diamond
Prices start from $643 USDSave up to $5,067 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
1.73ct Heart
$643 USD