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Marquise|Lab Grown|IGI

4.92ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG847660989

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG847660989

Diamond specifications and retailer prices

From $803 USD
As of November 1, 2026
Save $4,157 USD (84%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $4,960 USD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 4.92ct lab-grown marquise diamond

This 4.92ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG847660989 or 847660989. Listed at 3 retailers as of October 28, 2026, with prices from $803 to $4,960, a $4,157 spread on the same certified stone. Rare Carat lists it at $4,960. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.92
Carat
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847660989
Dimensions17.83 × 8.91 × 5.50 mm
L/W Ratio2.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.83 mm8.91 mm4.92 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847660989
Side View
Table 61.0%Crown 35.2°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $4,960 USD|Low: $803 USD|High: $4,960 USD|Avg: $2,165 USD
Rare Carat
Retailer 2
Retailer 3
November 2, 2026
Retailer 3$803 USD
Retailer 2$1,386 USD
Rare Carat$4,960 USD

11 data points across 3 retailers

3 retailers$803 USD to $4,960 USD

A
Cheapest Retailer
-
$803 USD
Final sale: no returns
A
Retailer 2
-
$1,386 USD
£1,092 GBP
View
Most Expensive
B
Rare Carat
847660989 · Oct 28
$4,960 USD
View
2 more retailers have this diamond
Prices start from $803 USDSave up to $4,157 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
4.92ct Marquise
$803 USD