Marquise|Lab Grown|IGI

4.90ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG831649013

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG831649013

Diamond specifications and retailer prices

From $921 SGD
£567 GBP
As of October 27, 2026
Save $5,729 SGD (86%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $6,650 SGD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

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 LG831649013 or 831649013. Listed at 24 retailers as of October 27, 2026, with prices from $921 to $6,650, a $5,729 spread on the same certified stone. Brilliant Earth lists it at $6,650. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831649013
Dimensions17.46 × 9.14 × 5.51 mm
L/W Ratio1.91
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.46 mm9.14 mm4.90 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831649013
Side View
Table 63.0%Crown 32.8°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: $6,650 SGD|Low: $918 SGD|High: $11,868 SGD|Avg: $3,271 SGD|-44.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
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Retailer 13
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Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 2, 2026
Retailer 18$921 SGD
Retailer 7$992 SGD
Retailer 13$1,179 SGD
Retailer 5$1,253 SGD
Retailer 17$1,593 SGD
Retailer 19$1,638 SGD
Retailer 8$1,673 SGD
Retailer 6$2,166 SGD
Retailer 21$2,218 SGD
Retailer 2$2,289 SGD
Retailer 3$2,605 SGD
Retailer 12$3,235 SGD
Retailer 9$3,376 SGD
Retailer 15$3,392 SGD
Retailer 4$3,509 SGD
Retailer 10$3,549 SGD
Retailer 20$4,046 SGD
Retailer 14$4,499 SGD
Retailer 16$4,778 SGD
Retailer 11$6,318 SGD
Brilliant Earth$6,650 SGD

30 data points across 21 retailers

24 retailers$921 SGD to $6,650 SGD

Retailer 1
-
$897 SGD
$701 USD
Price last confirmed 16 days ago
A
Retailer 2
-
$921 SGD
£567 GBP
View
Retailer 3
-
$976 SGD
$763 USD
View
Price last confirmed 18 days ago
Retailer 4
-
$1,040 SGD
$813 USD
View
Price last confirmed 23 days ago
A
Retailer 5
-
$1,179 SGD
HK$7,200 HKD
View
Retailer 6
-
$1,253 SGD
$980 USD
View
Price last confirmed 5 days ago
A
Retailer 7
-
$1,593 SGD
€1,186 EUR
View
A
Retailer 8
-
$1,638 SGD
£1,009 GBP
View
Retailer 9
-
$1,673 SGD
$1,308 USD
View
Price last confirmed 12 days ago
Retailer 10
-
$2,166 SGD
ZAR 27,361 ZAR
View
Price last confirmed 14 days ago
Retailer 11
-
$2,218 SGD
A$2,668 AUD
View
Price last confirmed 12 days ago
A
Retailer 12
-
$2,289 SGD
$1,790 USD
View
A
Retailer 13
-
$2,605 SGD
$2,037 USD
View
Retailer 14
-
$2,924 SGD
$2,286 USD
View
Price last confirmed 17 days ago
Retailer 15
-
$3,235 SGD
£1,992 GBP
View
Price last confirmed 17 days ago
Retailer 16
-
$3,376 SGD
$2,640 USD
View
Price last confirmed 8 days ago
B+
Retailer 17
-
$3,392 SGD
View
Retailer 18
-
$3,509 SGD
$2,744 USD
View
Price last confirmed 7 days ago
B+
Retailer 19
-
$3,549 SGD
$2,775 USD
View
B+
Retailer 20
-
$4,046 SGD
£2,491 GBP
View
Retailer 21
-
$4,499 SGD
A$5,412 AUD
View
Price last confirmed 30 days ago
B
Retailer 22
-
$4,778 SGD
$3,736 USD
View
B
Retailer 23
-
$6,318 SGD
$4,940 USD
View
Most Expensive
B
Brilliant Earth
21633447A · Nov 2
$6,650 SGD
$5,200 USD
View
23 more retailers have this diamond
Prices start from $921 SGDSave up to $5,729 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
$921 SGD