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Round|Lab Grown|IGI

1.73ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG790627189

Shape and cutting style on the report: Round brilliant

Certificate IGI LG790627189

Diamond specifications and retailer prices

From €404 EUR
$451 USD
As of November 1, 2026
Save €2,443 EUR (86%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €2,846 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG790627189 or 790627189. Listed at 23 retailers as of October 31, 2026, with prices from €404 to €2,846, a €2,443 spread on the same certified stone. Brilliant Earth lists it at €2,846. 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 angle33.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790627189
Dimensions7.69 × 7.72 × 4.75 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
7.69 mm7.72 mm1.73 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790627189
Side View
Table 57.0%Crown 33.9°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €2,846 EUR|Low: €404 EUR|High: €5,183 EUR|Avg: €1,337 EUR|-45.1%
Brilliant Earth
Retailer 2
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Retailer 21
November 1, 2026
Retailer 11€404 EUR
Retailer 7€451 EUR
Retailer 6€452 EUR
Retailer 5€500 EUR
Retailer 14€587 EUR
Retailer 19€705 EUR
Retailer 13€707 EUR
Retailer 16€766 EUR
Retailer 10€788 EUR
Retailer 2€819 EUR
Retailer 18€860 EUR
Retailer 21€1,135 EUR
Retailer 8€1,162 EUR
Retailer 15€1,200 EUR
Retailer 3€1,609 EUR
Retailer 9€1,638 EUR
Retailer 20€1,785 EUR
Retailer 17€1,850 EUR
Retailer 4€1,873 EUR
Retailer 12€2,667 EUR
Brilliant Earth€2,846 EUR

31 data points across 21 retailers

23 retailers€404 EUR to €2,846 EUR

A+
Cheapest Retailer
-
€404 EUR
$451 USD
A
Retailer 2
-
€451 EUR
$504 USD
View
Final sale: no returns
A
Retailer 3
-
€452 EUR
$505 USD
View
A
Retailer 4
-
€500 EUR
$559 USD
View
Retailer 5
-
€587 EUR
$656 USD
View
Price last confirmed 21 days ago
A
Retailer 6
-
€705 EUR
$788 USD
View
A
Retailer 7
-
€707 EUR
$790 USD
View
A
Retailer 8
-
€766 EUR
View
A
Retailer 9
-
€788 EUR
$880 USD
View
A
Retailer 10
-
€819 EUR
£721 GBP
View
A
Retailer 11
-
€860 EUR
ZAR 15,528 ZAR
View
B+
Retailer 12
-
€1,135 EUR
$1,268 USD
View
B+
Retailer 13
-
€1,162 EUR
$1,298 USD
View
B+
Retailer 14
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€1,200 EUR
$1,341 USD
View
B+
Retailer 15
-
€1,516 EUR
$1,694 USD
View
B+
Retailer 16
-
€1,609 EUR
$1,798 USD
View
B+
Retailer 17
-
€1,638 EUR
$1,830 USD
View
B+
Retailer 18
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€1,756 EUR
$1,962 USD
View
B+
Retailer 19
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€1,785 EUR
$1,995 USD
View
B+
Retailer 20
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€1,850 EUR
£1,627 GBP
View
B+
Retailer 21
-
€1,873 EUR
$2,093 USD
View
Retailer 22
-
€2,667 EUR
$2,980 USD
View
Price last confirmed 14 days ago
Most Expensive
B
Brilliant Earth
18981788A · Oct 31
€2,846 EUR
$3,180 USD
View
22 more retailers have this diamond
Prices start from €404 EURSave up to €2,443 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
€404 EUR