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Marquise|Lab Grown|IGI

1.73ct E VVS1 Marquise Lab Grown Diamond

VG • E/VVS1 • IGI LG838605703

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG838605703

Diamond specifications and retailer prices

From €267 EUR
$298 USD
As of October 30, 2026
Save €1,304 EUR (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €1,571 EUR at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.73ct lab-grown marquise diamond

This 1.73ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG838605703 or 838605703. Listed at 10 retailers as of October 28, 2026, with prices from €267 to €1,571, a €1,304 spread on the same certified stone. Rare Carat lists it at €1,571. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.73
Carat
E
Colour
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.1°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838605703
Dimensions12.30 × 6.33 × 3.81 mm
L/W Ratio1.94
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.30 mm6.33 mm1.73 ctE / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG838605703
Side View
Table 62.0%Crown 37.1°Girdle: MED-STKPavilion 39°Culet: NoneDepth 60.2%

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: €1,571 EUR|Low: €267 EUR|High: €1,571 EUR|Avg: €677 EUR
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 6€267 EUR
Retailer 5€309 EUR
Retailer 3€351 EUR
Retailer 9€470 EUR
Retailer 8€541 EUR
Retailer 2€570 EUR
Retailer 7€1,016 EUR
Retailer 10€1,062 EUR
Retailer 4€1,332 EUR
Rare Carat€1,571 EUR

8 data points across 10 retailers

10 retailers€267 EUR to €1,571 EUR

A
Cheapest Retailer
-
€267 EUR
$298 USD
A
Retailer 2
-
€309 EUR
$345 USD
View
A
Retailer 3
-
€351 EUR
£308 GBP
View
A
Retailer 4
-
€470 EUR
$525 USD
View
A
Retailer 5
-
€541 EUR
$604 USD
View
A
Retailer 6
-
€570 EUR
$637 USD
View
B+
Retailer 7
-
€1,016 EUR
$1,135 USD
View
B+
Retailer 8
-
€1,062 EUR
$1,187 USD
View
B
Retailer 9
-
€1,332 EUR
£1,172 GBP
View
Most Expensive
B
Rare Carat
ME-833-77 · Oct 28
€1,571 EUR
$1,755 USD
View
9 more retailers have this diamond
Prices start from €267 EURSave up to €1,304 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 Marquise
€267 EUR