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Round|Lab Grown|IGI

1.73ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG840633193

Shape and cutting style on the report: Round brilliant

Certificate IGI LG840633193

Diamond specifications and retailer prices

From €404 EUR
$451 USD
As of October 26, 2026
Save €3,016 EUR (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €3,419 EUR at Brilliant Earth · As of October 28, 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 LG840633193 or 840633193. Listed at 22 retailers as of October 26, 2026, with prices from €404 to €3,419, a €3,016 spread on the same certified stone. Brilliant Earth lists it at €3,419. 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 angle35.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840633193
Dimensions7.65 × 7.68 × 4.75 mm
L/W Ratio1.00
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
7.65 mm7.68 mm1.73 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840633193
Side View
Table 57.0%Crown 35.1°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.0%

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: Oct 26
Current: €3,419 EUR|Low: €404 EUR|High: €3,947 EUR|Avg: €1,221 EUR|-13.4%
Brilliant Earth
Retailer 2
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Retailer 22
October 31, 2026
Retailer 6€404 EUR
Retailer 20€452 EUR
Retailer 7€466 EUR
Retailer 11€500 EUR
Retailer 15€542 EUR
Retailer 16€643 EUR
Retailer 9€721 EUR
Retailer 3€785 EUR
Retailer 13€788 EUR
Retailer 17€821 EUR
Retailer 2€830 EUR
Retailer 21€853 EUR
Retailer 5€1,135 EUR
Retailer 4€1,346 EUR
Retailer 12€1,609 EUR
Retailer 10€1,638 EUR
Retailer 8€1,723 EUR
Retailer 19€1,745 EUR
Retailer 22€1,781 EUR
Retailer 18€1,842 EUR
Retailer 14€2,663 EUR
Brilliant Earth€3,419 EUR

23 data points across 22 retailers

22 retailers€404 EUR to €3,419 EUR

A+
Cheapest Retailer
-
€404 EUR
$451 USD
A
Retailer 2
-
€452 EUR
$505 USD
View
A
Retailer 3
-
€500 EUR
$559 USD
View
Retailer 4
-
€542 EUR
$605 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
€643 EUR
£565 GBP
View
A
Retailer 6
-
€721 EUR
$805 USD
View
A
Retailer 7
-
€785 EUR
$877 USD
View
A
Retailer 8
-
€788 EUR
$880 USD
View
A
Retailer 9
-
€821 EUR
£722 GBP
View
A
Retailer 10
-
€830 EUR
View
Retailer 11
-
€853 EUR
ZAR 15,391 ZAR
View
Price last confirmed 8 days ago
B+
Retailer 12
-
€1,135 EUR
$1,268 USD
View
B+
Retailer 13
-
€1,346 EUR
$1,504 USD
View
Retailer 14
-
€1,609 EUR
$1,798 USD
View
Price last confirmed 8 days ago
B+
Retailer 15
-
€1,638 EUR
$1,830 USD
View
B+
Retailer 16
-
€1,723 EUR
SGD 2,601 SGD
View
B+
Retailer 17
-
€1,745 EUR
$1,949 USD
View
B+
Retailer 18
-
€1,781 EUR
$1,990 USD
View
B+
Retailer 19
-
€1,842 EUR
£1,620 GBP
View
Retailer 20
-
€2,663 EUR
$2,975 USD
View
Price last confirmed 14 days ago
B
Retailer 21
-
€2,769 EUR
$3,094 USD
View
Most Expensive
B
Brilliant Earth
21729231A · Oct 28
€3,419 EUR
$3,820 USD
View
21 more retailers have this diamond
Prices start from €404 EURSave up to €3,016 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