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Marquise|Lab Grown|IGI

4.90ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG845685701

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG845685701

Diamond specifications and retailer prices

From $1,033 SGD
$808 USD
As of November 1, 2026
Save $5,284 SGD (84%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $6,318 SGD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 4.9ct lab-grown marquise diamond

This 4.9ct 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 LG845685701 or 845685701. Listed at 3 retailers as of October 28, 2026, with prices from $1,033 to $6,318, a $5,284 spread on the same certified stone. Rare Carat lists it at $6,318. 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

4.90
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845685701
Dimensions18.25 × 8.96 × 5.46 mm
L/W Ratio2.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.25 mm8.96 mm4.90 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845685701
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $6,318 SGD|Low: $1,033 SGD|High: $6,318 SGD|Avg: $1,949 SGD
Rare Carat
Retailer 2
Retailer 3
October 28, 2026
Retailer 2$1,033 SGD
Retailer 3$1,778 SGD
Rare Carat$6,318 SGD

9 data points across 3 retailers

3 retailers$1,033 SGD to $6,318 SGD

A
Cheapest Retailer
-
$1,033 SGD
$808 USD
Final sale: no returns
A
Retailer 2
-
$1,778 SGD
£1,095 GBP
View
Most Expensive
B
Rare Carat
845685701 · Oct 28
$6,318 SGD
$4,940 USD
View
2 more retailers have this diamond
Prices start from $1,033 SGDSave up to $5,284 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.

A
4.90ct Marquise
$1,033 SGD