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Marquise|Lab Grown|IGI

4.91ct F VS1 Marquise Lab Grown Diamond

VG • F/VS1 • IGI LG821654297

Certificate IGI LG821654297

Diamond specifications and retailer prices

From $6,738 AUD
$4,722 USD
As of October 31, 2026
Save $3,479 AUD (34%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $10,217 AUD at Jared · As of November 2, 2026
View at Jared

About this 4.91ct lab-grown marquise diamond

This 4.91ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG821654297 or 821654297. Listed at 4 retailers as of October 31, 2026, with prices from $6,738 to $10,217, a $3,479 spread on the same certified stone. Jared lists it at $10,217. 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

4.91
Carat
F
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG821654297
Dimensions16.84 × 9.25 × 5.48 mm
L/W Ratio1.82
Top View
16.84 mm9.25 mm4.91 ctF / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821654297
Side View
Table 60.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 59.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
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Price History

Last verified: Oct 31
Current: $10,217 AUD|Low: $6,738 AUD|High: $10,217 AUD|Avg: $8,921 AUD
Jared
Retailer 2
Retailer 3
Retailer 4
September 28, 2026
Retailer 3$6,738 AUD
Retailer 2$9,689 AUD
Retailer 4$9,689 AUD
Jared$10,217 AUD

2 data points across 4 retailers

4 retailers$6,738 AUD to $10,217 AUD

B
Cheapest Retailer
-
$6,738 AUD
$4,722 USD
B
Retailer 2
-
$9,689 AUD
$6,790 USD
View
B
Retailer 3
-
$9,689 AUD
$6,790 USD
View
Most Expensive
B
Jared
159791154 · Nov 2
$10,217 AUD
$7,160 USD
View
3 more retailers have this diamond
Prices start from $6,738 AUDSave up to $3,479 AUD

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
4.91ct Marquise
$6,738 AUD