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Marquise|Lab Grown|IGI

1.73ct E VVS1 Marquise Lab Grown Diamond

VG • E/VVS1 • IGI LG800656364

Certificate IGI LG800656364

Diamond specifications and retailer prices

From $1,922 USD
As of October 29, 2026
Save $698 USD (27%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $2,620 USD at Kay Jewelers · As of October 28, 2026
View at Kay Jewelers

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 LG800656364 or 800656364. Listed at 4 retailers as of October 28, 2026, with prices from $1,922 to $2,620, a $698 spread on the same certified stone. Kay Jewelers lists it at $2,620. 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
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG800656364
Dimensions12.89 × 6.35 × 3.88 mm
L/W Ratio2.03
Top View
12.89 mm6.35 mm1.73 ctE / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800656364
Side View
Table 58.0%CrownGirdle: THN-STKPavilionCulet: NoneDepth 61.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $2,620 USD|Low: $1,922 USD|High: $2,620 USD|Avg: $2,325 USD
Kay Jewelers
Retailer 2
Retailer 3
Retailer 4
September 28, 2026
Retailer 3$1,922 USD
Retailer 2$1,950 USD
Kay Jewelers$2,620 USD
Retailer 4$2,620 USD

2 data points across 4 retailers

4 retailers$1,922 USD to $2,620 USD

B
Cheapest Retailer
-
$1,922 USD
B
Retailer 2
-
$1,950 USD
View
B
Retailer 3
-
$2,620 USD
View
Most Expensive
B
Kay Jewelers
259138707 · Oct 28
$2,620 USD
View
3 more retailers have this diamond
Prices start from $1,922 USDSave up to $698 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.

B
1.73ct Marquise
$1,922 USD