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Marquise|Lab Grown|IGI

5.09ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG831681233

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG831681233

Diamond specifications and retailer prices

From $845 SGD
$661 USD
As of November 2, 2026
Save $6,061 SGD (88%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $6,906 SGD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 5.09ct lab-grown marquise diamond

This 5.09ct lab-grown marquise sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG831681233 or 831681233. Listed at 20 retailers as of November 2, 2026, with prices from $845 to $6,906, a $6,061 spread on the same certified stone. Brilliant Earth lists it at $6,906. 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

5.09
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831681233
Dimensions18.25 × 8.90 × 5.43 mm
L/W Ratio2.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.25 mm8.90 mm5.09 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831681233
Side View
Table 65.0%Crown 34.7°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 61.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $6,906 SGD|Low: $845 SGD|High: $6,906 SGD|Avg: $2,659 SGD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 2, 2026
Retailer 3$845 SGD
Retailer 15$921 SGD
Retailer 4$981 SGD
Retailer 13$1,062 SGD
Retailer 5$1,209 SGD
Retailer 19$1,475 SGD
Retailer 14$1,569 SGD
Retailer 11$1,600 SGD
Retailer 20$1,988 SGD
Retailer 2$1,993 SGD
Retailer 18$2,507 SGD
Retailer 10$2,587 SGD
Retailer 8$2,759 SGD
Retailer 7$3,151 SGD
Retailer 6$3,288 SGD
Retailer 12$3,385 SGD
Retailer 16$4,134 SGD
Retailer 17$4,673 SGD
Retailer 9$5,710 SGD
Brilliant Earth$6,906 SGD

8 data points across 20 retailers

20 retailers$845 SGD to $6,906 SGD

A
Cheapest Retailer
-
$845 SGD
$661 USD
A
Retailer 2
-
$921 SGD
$720 USD
View
A
Retailer 3
-
$981 SGD
$767 USD
View
A
Retailer 4
-
$1,062 SGD
£654 GBP
View
A
Retailer 5
-
$1,209 SGD
$945 USD
View
A
Retailer 6
-
$1,475 SGD
$1,153 USD
View
A
Retailer 7
-
$1,569 SGD
£966 GBP
View
B+
Retailer 8
-
$1,600 SGD
$1,251 USD
View
A
Retailer 9
-
$1,988 SGD
A$2,392 AUD
View
A
Retailer 10
-
$1,993 SGD
ZAR 25,172 ZAR
View
B+
Retailer 11
-
$2,507 SGD
$1,960 USD
View
B+
Retailer 12
-
$2,587 SGD
$2,023 USD
View
B+
Retailer 13
-
$2,759 SGD
$2,157 USD
View
B+
Retailer 14
-
$3,151 SGD
$2,464 USD
View
B+
Retailer 15
-
$3,288 SGD
View
B+
Retailer 16
-
$3,385 SGD
$2,647 USD
View
B
Retailer 17
-
$4,134 SGD
£2,545 GBP
View
B
Retailer 18
-
$4,673 SGD
A$5,621 AUD
View
B
Retailer 19
-
$5,710 SGD
$4,465 USD
View
Most Expensive
B
Brilliant Earth
22347597A · Nov 2
$6,906 SGD
$5,400 USD
View
19 more retailers have this diamond
Prices start from $845 SGDSave up to $6,061 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
5.09ct Marquise
$845 SGD