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Round|Lab Grown|IGI

1.73ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG528234086

Shape and cutting style on the report: Round brilliant

Certificate IGI LG528234086

Diamond specifications and retailer prices

From €303 EUR
$338 USD
As of November 1, 2026
Save €2,383 EUR (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €2,685 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG528234086 or 528234086. Listed at 18 retailers as of October 31, 2026, with prices from €303 to €2,685, a €2,383 spread on the same certified stone. Do Amore Diamonds lists it at €2,685. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.73
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG528234086
Dimensions7.67 × 7.72 × 4.80 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.67 mm7.72 mm1.73 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG528234086
Side View
Table 58.0%Crown 35.5°Girdle: MediumPavilion 41.5°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
A
Excellent
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: €2,685 EUR|Low: €303 EUR|High: €2,685 EUR|Avg: €917 EUR
Do Amore Diamonds
Retailer 2
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Retailer 7
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Retailer 11
Retailer 12
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Retailer 14
Retailer 15
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Retailer 18
November 1, 2026
Retailer 17€303 EUR
Retailer 15€351 EUR
Retailer 4€375 EUR
Retailer 14€375 EUR
Retailer 13€396 EUR
Retailer 18€456 EUR
Retailer 12€510 EUR
Retailer 16€678 EUR
Retailer 11€700 EUR
Retailer 9€702 EUR
Retailer 10€775 EUR
Retailer 2€850 EUR
Retailer 5€1,099 EUR
Retailer 8€1,226 EUR
Retailer 3€1,330 EUR
Retailer 6€1,469 EUR
Retailer 7€1,624 EUR
Do Amore Diamonds€2,685 EUR

14 data points across 18 retailers

18 retailers€303 EUR to €2,685 EUR

A
Cheapest Retailer
-
€303 EUR
$338 USD
A
Retailer 2
-
€351 EUR
$392 USD
View
Retailer 3
-
€375 EUR
$419 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
€375 EUR
$419 USD
View
B+
Retailer 5
-
€396 EUR
$442 USD
View
A
Retailer 6
-
€456 EUR
$509 USD
View
A
Retailer 7
-
€510 EUR
$570 USD
View
A
Retailer 8
-
€678 EUR
$758 USD
View
A
Retailer 9
-
€700 EUR
£616 GBP
View
A
Retailer 10
-
€702 EUR
$784 USD
View
A
Retailer 11
-
€775 EUR
$866 USD
View
A
Retailer 12
-
€850 EUR
$950 USD
View
A
Retailer 13
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€1,099 EUR
$1,228 USD
View
A
Retailer 14
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€1,226 EUR
$1,370 USD
View
A
Retailer 15
-
€1,330 EUR
$1,486 USD
View
B+
Retailer 16
-
€1,469 EUR
$1,642 USD
View
B+
Retailer 17
-
€1,624 EUR
£1,429 GBP
View
Most Expensive
B
Do Amore Diamonds
27-D15A711C1 · Oct 31
€2,685 EUR
$3,000 USD
View
17 more retailers have this diamond
Prices start from €303 EURSave up to €2,383 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
€303 EUR