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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 $298 USD
As of October 27, 2026
Save $1,457 USD (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,755 USD 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 27, 2026, with prices from $298 to $1,755, a $1,457 spread on the same certified stone. Rare Carat lists it at $1,755. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $1,755 USD|Low: $298 USD|High: $1,755 USD|Avg: $743 USD
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 5$298 USD
Retailer 4$345 USD
Retailer 3$393 USD
Retailer 9$525 USD
Retailer 8$604 USD
Retailer 6$638 USD
Retailer 7$1,135 USD
Retailer 10$1,187 USD
Retailer 2$1,488 USD
Rare Carat$1,755 USD

7 data points across 10 retailers

10 retailers$298 USD to $1,755 USD

A
Cheapest Retailer
-
$298 USD
A
Retailer 2
-
$345 USD
View
A
Retailer 3
-
$393 USD
£309 GBP
View
A
Retailer 4
-
$525 USD
View
A
Retailer 5
-
$604 USD
View
A
Retailer 6
-
$638 USD
View
B+
Retailer 7
-
$1,135 USD
View
B+
Retailer 8
-
$1,187 USD
View
B
Retailer 9
-
$1,488 USD
£1,172 GBP
View
Most Expensive
B
Rare Carat
ME-833-77 · Oct 28
$1,755 USD
View
9 more retailers have this diamond
Prices start from $298 USDSave up to $1,457 USD

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
$298 USD