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Marquise|Lab Grown|IGI

1.73ct F VS2 Marquise Lab Grown Diamond

ID • F/VS2 • IGI LG843667289

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843667289

Diamond specifications and retailer prices

From $260 USD
As of November 2, 2026
Save $1,180 USD (82%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,440 USD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

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 F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843667289 or 843667289. Listed at 9 retailers as of November 2, 2026, with prices from $260 to $1,440, a $1,180 spread on the same certified stone. Brilliant Earth lists it at $1,440. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.73
Carat
F
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843667289
Dimensions12.11 × 6.25 × 3.99 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
12.11 mm6.25 mm1.73 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843667289
Side View
Table 63.0%Crown 36.9°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.8%

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: Nov 2
Current: $395 USD|Low: $395 USD|High: $1,390 USD|Avg: $937 USD|+0.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 1$395 USD
Retailer 4$533 USD
Retailer 6$992 USD
Retailer 2$995 USD
Retailer 5$1,181 USD
Retailer 3$1,297 USD
Retailer 7$1,390 USD

14 data points across 7 retailers

9 retailers$260 USD to $1,440 USD

A
Cheapest Retailer
-
$260 USD
A
Retailer 2
-
$395 USD
£311 GBP
View
Retailer 3
-
$533 USD
€508 EUR
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$992 USD
View
B+
Retailer 5
-
$995 USD
View
B
Retailer 6
-
$1,181 USD
View
B+
Retailer 7
-
$1,297 USD
£1,021 GBP
View
B
Retailer 8
-
$1,390 USD
View
Most Expensive
B
Brilliant Earth
21824438A · Nov 2
$1,440 USD
View
8 more retailers have this diamond
Prices start from $260 USDSave up to $1,180 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
$260 USD