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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 $943 AUD
$661 USD
As of November 2, 2026
Save $6,762 AUD (88%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $7,705 AUD 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 $943 to $7,705, a $6,762 spread on the same certified stone. Brilliant Earth lists it at $7,705. 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

How it works →
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: $7,705 AUD|Low: $943 AUD|High: $7,705 AUD|Avg: $2,967 AUD
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$943 AUD
Retailer 15$1,027 AUD
Retailer 4$1,094 AUD
Retailer 13$1,185 AUD
Retailer 5$1,348 AUD
Retailer 19$1,645 AUD
Retailer 14$1,751 AUD
Retailer 11$1,785 AUD
Retailer 20$2,219 AUD
Retailer 2$2,223 AUD
Retailer 18$2,797 AUD
Retailer 10$2,887 AUD
Retailer 8$3,078 AUD
Retailer 7$3,516 AUD
Retailer 6$3,668 AUD
Retailer 12$3,777 AUD
Retailer 16$4,612 AUD
Retailer 17$5,213 AUD
Retailer 9$6,371 AUD
Brilliant Earth$7,705 AUD

8 data points across 20 retailers

20 retailers$943 AUD to $7,705 AUD

A
Cheapest Retailer
-
$943 AUD
$661 USD
A
Retailer 2
-
$1,027 AUD
$720 USD
View
A
Retailer 3
-
$1,094 AUD
$767 USD
View
A
Retailer 4
-
$1,185 AUD
£654 GBP
View
A
Retailer 5
-
$1,348 AUD
$945 USD
View
A
Retailer 6
-
$1,645 AUD
$1,153 USD
View
A
Retailer 7
-
$1,751 AUD
£966 GBP
View
B+
Retailer 8
-
$1,785 AUD
$1,251 USD
View
A
Retailer 9
-
$2,219 AUD
View
A
Retailer 10
-
$2,223 AUD
ZAR 25,172 ZAR
View
B+
Retailer 11
-
$2,797 AUD
$1,960 USD
View
B+
Retailer 12
-
$2,887 AUD
$2,023 USD
View
B+
Retailer 13
-
$3,078 AUD
$2,157 USD
View
B+
Retailer 14
-
$3,516 AUD
$2,464 USD
View
B+
Retailer 15
-
$3,668 AUD
SGD 3,474 SGD
View
B+
Retailer 16
-
$3,777 AUD
$2,647 USD
View
B
Retailer 17
-
$4,612 AUD
£2,545 GBP
View
B
Retailer 18
-
$5,213 AUD
View
B
Retailer 19
-
$6,371 AUD
$4,465 USD
View
Most Expensive
B
Brilliant Earth
22347597A · Nov 2
$7,705 AUD
$5,400 USD
View
19 more retailers have this diamond
Prices start from $943 AUDSave up to $6,762 AUD

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
$943 AUD