CaratHunter
Plans
Round|Lab Grown|IGI

1.73ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG632499250

Shape and cutting style on the report: Round brilliant

Certificate IGI LG632499250

Diamond specifications and retailer prices

From €184 EUR
$205 USD
As of October 29, 2026
Save €1,792 EUR (91%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €1,977 EUR at Jared · As of October 28, 2026
View at Jared

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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG632499250 or 632499250. Listed at 11 retailers as of October 28, 2026, with prices from €184 to €1,977, a €1,792 spread on the same certified stone. Jared lists it at €1,977. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG632499250
Dimensions7.70 × 7.75 × 4.70 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
7.70 mm7.75 mm1.73 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG632499250
Side View
Table 59.0%Crown 33.9°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 60.9%

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: Oct 29
Current: €438 EUR|Low: €155 EUR|High: €1,833 EUR|Avg: €704 EUR|-1.7%
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
October 29, 2026
Retailer 12€184 EUR
Retailer 13€208 EUR
Retailer 11€214 EUR
Retailer 10€394 EUR
Retailer 1€438 EUR
Retailer 4€491 EUR
Retailer 5€544 EUR
Retailer 3€568 EUR
Retailer 7€738 EUR
Retailer 8€811 EUR
Retailer 6€1,012 EUR
Retailer 2€1,312 EUR
Retailer 9€1,770 EUR

35 data points across 13 retailers

11 retailers€184 EUR to €1,977 EUR

A
Cheapest Retailer
-
€184 EUR
$205 USD
A
Retailer 2
-
€208 EUR
$232 USD
View
Final sale: no returns
A
Retailer 3
-
€214 EUR
$238 USD
View
B+
Retailer 4
-
€394 EUR
$439 USD
View
A
Retailer 5
-
€438 EUR
£384 GBP
View
B+
Retailer 6
-
€738 EUR
$821 USD
View
B+
Retailer 7
-
€811 EUR
$903 USD
View
B
Retailer 8
-
€1,012 EUR
£887 GBP
View
B
Retailer 9
-
€1,312 EUR
$1,460 USD
View
B
Retailer 10
-
€1,770 EUR
$1,970 USD
View
Most Expensive
B
Jared
151375966 · Oct 28
€1,977 EUR
$2,200 USD
View
10 more retailers have this diamond
Prices start from €184 EURSave up to €1,792 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
€184 EUR