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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 $6,039 SGD
$4,722 USD
As of October 31, 2026
Save $3,118 SGD (34%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $9,157 SGD 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 $6,039 to $9,157, a $3,118 spread on the same certified stone. Jared lists it at $9,157. 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
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $9,157 SGD|Low: $6,039 SGD|High: $9,157 SGD|Avg: $7,996 SGD
Jared
Retailer 2
Retailer 3
Retailer 4
September 28, 2026
Retailer 3$6,039 SGD
Retailer 2$8,684 SGD
Retailer 4$8,684 SGD
Jared$9,157 SGD

2 data points across 4 retailers

4 retailers$6,039 SGD to $9,157 SGD

B
Cheapest Retailer
-
$6,039 SGD
$4,722 USD
B
Retailer 2
-
$8,684 SGD
$6,790 USD
View
B
Retailer 3
-
$8,684 SGD
$6,790 USD
View
Most Expensive
B
Jared
159791154 · Nov 2
$9,157 SGD
$7,160 USD
View
3 more retailers have this diamond
Prices start from $6,039 SGDSave up to $3,118 SGD

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
$6,039 SGD