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Round|Lab Grown|IGI

1.73ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG816613109

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816613109

Diamond specifications and retailer prices

From €530 EUR
$592 USD
As of October 30, 2026
Save €3,319 EUR (86%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €3,849 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 LG816613109 or 816613109. Listed at 23 retailers as of October 30, 2026, with prices from €530 to €3,849, a €3,319 spread on the same certified stone. Brilliant Earth lists it at €3,849. 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 angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816613109
Dimensions7.75 × 7.71 × 4.71 mm
L/W Ratio1.01
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
7.75 mm7.71 mm1.73 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816613109
Side View
Table 59.0%Crown 35.1°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.9%

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: Oct 30
Current: €3,849 EUR|Low: €530 EUR|High: €5,183 EUR|Avg: €1,563 EUR|-25.7%
Brilliant Earth
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
Retailer 16
Retailer 17
November 1, 2026
Retailer 4€530 EUR
Retailer 9€631 EUR
Retailer 10€828 EUR
Retailer 16€828 EUR
Retailer 12€897 EUR
Retailer 2€909 EUR
Retailer 15€1,010 EUR
Retailer 3€1,158 EUR
Retailer 11€1,304 EUR
Retailer 5€1,377 EUR
Retailer 8€1,683 EUR
Retailer 6€1,909 EUR
Retailer 17€2,009 EUR
Retailer 14€2,058 EUR
Retailer 13€2,466 EUR
Retailer 7€2,667 EUR
Brilliant Earth€3,849 EUR

36 data points across 17 retailers

23 retailers€530 EUR to €3,849 EUR

Retailer 1
-
€502 EUR
$561 USD
Price last confirmed 21 days ago
Retailer 2
-
€516 EUR
$576 USD
View
Price last confirmed 39 days ago
A
Retailer 3
-
€530 EUR
$592 USD
View
Final sale: no returns
Retailer 4
-
€578 EUR
$646 USD
View
Price last confirmed 39 days ago
Retailer 5
-
€622 EUR
$695 USD
View
Price last confirmed 19 days ago
Retailer 6
-
€622 EUR
$695 USD
View
Price last confirmed 29 days ago
Retailer 7
-
€631 EUR
$705 USD
View
Price last confirmed 37 days ago
A
Retailer 8
-
€828 EUR
$925 USD
View
A
Retailer 9
-
€828 EUR
$925 USD
View
A
Retailer 10
-
€897 EUR
View
A
Retailer 11
-
€909 EUR
£799 GBP
View
A
Retailer 12
-
€1,010 EUR
ZAR 18,225 ZAR
View
B+
Retailer 13
-
€1,158 EUR
$1,294 USD
View
B+
Retailer 14
-
€1,304 EUR
$1,457 USD
View
B+
Retailer 15
-
€1,377 EUR
$1,538 USD
View
Retailer 16
-
€1,637 EUR
$1,829 USD
View
Price last confirmed 24 days ago
Retailer 17
-
€1,683 EUR
$1,880 USD
View
Price last confirmed 35 days ago
B+
Retailer 18
-
€1,909 EUR
$2,133 USD
View
B+
Retailer 19
-
€2,009 EUR
$2,245 USD
View
B+
Retailer 20
-
€2,058 EUR
$2,299 USD
View
B
Retailer 21
-
€2,466 EUR
£2,169 GBP
View
Retailer 22
-
€2,667 EUR
$2,980 USD
View
Price last confirmed 14 days ago
Most Expensive
B
Brilliant Earth
21019132A · Oct 31
€3,849 EUR
$4,300 USD
View
22 more retailers have this diamond
Prices start from €530 EURSave up to €3,319 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
€530 EUR