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Round|Lab Grown|IGI

1.73ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG847655692

Shape and cutting style on the report: Round brilliant

Certificate IGI LG847655692

Diamond specifications and retailer prices

From €233 EUR
$260 USD
As of October 30, 2026
Save €764 EUR (77%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €997 EUR at MOH London · As of October 25, 2026
View at MOH London

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 LG847655692 or 847655692. Listed at 12 retailers as of October 25, 2026, with prices from €233 to €997, a €764 spread on the same certified stone. MOH London lists it at €997. 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
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847655692
Dimensions7.80 × 7.75 × 4.70 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.80 mm7.75 mm1.73 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847655692
Side View
Table 56.0%Crown 33.3°Girdle: MediumPavilion 40.4°Culet: NoneDepth 60.4%

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 30
Current: €997 EUR|Low: €233 EUR|High: €1,001 EUR|Avg: €576 EUR|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 10€233 EUR
Retailer 8€249 EUR
Retailer 11€420 EUR
Retailer 3€423 EUR
Retailer 2€429 EUR
Retailer 6€462 EUR
Retailer 7€482 EUR
Retailer 12€550 EUR
Retailer 4€752 EUR
Retailer 9€798 EUR
Retailer 5€807 EUR
MOH London€997 EUR

11 data points across 12 retailers

12 retailers€233 EUR to €997 EUR

A
Cheapest Retailer
-
€233 EUR
$260 USD
A
Retailer 2
-
€249 EUR
$278 USD
View
A
Retailer 3
-
€420 EUR
View
B+
Retailer 4
-
€423 EUR
$473 USD
View
A
Retailer 5
-
€429 EUR
£377 GBP
View
A
Retailer 6
-
€462 EUR
£406 GBP
View
A
Retailer 7
-
€482 EUR
$538 USD
View
B+
Retailer 8
-
€550 EUR
$615 USD
View
Retailer 9
-
€752 EUR
$840 USD
View
Price last confirmed 10 days ago
B+
Retailer 10
-
€798 EUR
$892 USD
View
B+
Retailer 11
-
€807 EUR
SGD 1,218 SGD
View
Most Expensive
B
MOH London
LG847655692 · Oct 25
€997 EUR
£877 GBP
View
11 more retailers have this diamond
Prices start from €233 EURSave up to €764 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
€233 EUR