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Round|Lab Grown|IGI

1.73ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG791609280

Shape and cutting style on the report: Round brilliant

Certificate IGI LG791609280

Diamond specifications and retailer prices

From €508 EUR
$567 USD
As of November 1, 2026
Save €4,004 EUR (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €4,511 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.73ct lab-grown round diamond

This 1.73ct lab-grown round 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 LG791609280 or 791609280. Listed at 21 retailers as of October 31, 2026, with prices from €508 to €4,511, a €4,004 spread on the same certified stone. Do Amore Diamonds lists it at €4,511. 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 angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791609280
Dimensions7.67 × 7.69 × 4.76 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
7.67 mm7.69 mm1.73 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791609280
Side View
Table 57.0%Crown 35.4°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.0%

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: Nov 1
Current: €1,085 EUR|Low: €487 EUR|High: €2,771 EUR|Avg: €1,243 EUR|+4.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 12€508 EUR
Retailer 5€567 EUR
Retailer 3€568 EUR
Retailer 13€629 EUR
Retailer 9€747 EUR
Retailer 7€1,012 EUR
Retailer 1€1,085 EUR
Retailer 8€1,194 EUR
Retailer 11€1,562 EUR
Retailer 4€1,828 EUR
Retailer 2€1,865 EUR
Retailer 10€2,645 EUR
Retailer 6€2,752 EUR

43 data points across 13 retailers

21 retailers€508 EUR to €4,511 EUR

A
Cheapest Retailer
-
€508 EUR
$567 USD
A
Retailer 2
-
€567 EUR
$634 USD
View
Final sale: no returns
A
Retailer 3
-
€568 EUR
$635 USD
View
Retailer 4
-
€629 EUR
$703 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
€629 EUR
$703 USD
View
A
Retailer 6
-
€747 EUR
$835 USD
View
A
Retailer 7
-
€832 EUR
$930 USD
View
A
Retailer 8
-
€906 EUR
$1,012 USD
View
A
Retailer 9
-
€1,012 EUR
View
B+
Retailer 10
-
€1,085 EUR
£955 GBP
View
B+
Retailer 11
-
€1,194 EUR
ZAR 21,552 ZAR
View
B+
Retailer 12
-
€1,257 EUR
$1,404 USD
View
B+
Retailer 13
-
€1,562 EUR
$1,745 USD
View
B+
Retailer 14
-
€1,647 EUR
$1,840 USD
View
B+
Retailer 15
-
€1,828 EUR
$2,042 USD
View
B+
Retailer 16
-
€1,865 EUR
$2,083 USD
View
B
Retailer 17
-
€2,102 EUR
$2,349 USD
View
B
Retailer 18
-
€2,348 EUR
$2,624 USD
View
Retailer 19
-
€2,645 EUR
$2,955 USD
View
Price last confirmed 14 days ago
B
Retailer 20
-
€2,752 EUR
£2,421 GBP
View
Most Expensive
B
Do Amore Diamonds
27-37D0D3F4D · Oct 31
€4,511 EUR
$5,040 USD
View
20 more retailers have this diamond
Prices start from €508 EURSave up to €4,004 EUR

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 Round
€508 EUR