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Marquise|Lab Grown|IGI

5.05ct E VVS2 Marquise Lab Grown Diamond

ID • E/VVS2 • IGI LG831659591

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG831659591

Diamond specifications and retailer prices

From $1,139 AUD
$798 USD
As of October 30, 2026
Save $10,285 AUD (90%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $11,424 AUD at Helzberg Diamonds · As of November 1, 2026
View at Helzberg Diamonds

About this 5.05ct lab-grown marquise diamond

This 5.05ct lab-grown marquise sits in the over five carat band, graded E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG831659591 or 831659591. Listed at 25 retailers as of October 30, 2026, with prices from $1,139 to $11,424, a $10,285 spread on the same certified stone. Helzberg Diamonds lists it at $11,424. 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

5.05
Carat
E
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.8°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831659591
Dimensions18.52 × 8.98 × 5.29 mm
L/W Ratio2.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.52 mm8.98 mm5.05 ctE / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831659591
Side View
Table 63.0%Crown 29.8°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 58.9%

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: Oct 30
Current: $2,934 AUD|Low: $1,139 AUD|High: $9,146 AUD|Avg: $3,150 AUD|-4.7%
Retailer 1
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
Retailer 21
Retailer 22
Retailer 23
November 2, 2026
Retailer 6$1,139 AUD
Retailer 18$1,239 AUD
Retailer 10$1,321 AUD
Retailer 15$1,397 AUD
Retailer 12$1,406 AUD
Retailer 5$1,428 AUD
Retailer 22$1,570 AUD
Retailer 3$1,856 AUD
Retailer 17$2,026 AUD
Retailer 4$2,130 AUD
Retailer 13$2,325 AUD
Retailer 23$2,677 AUD
Retailer 11$2,838 AUD
Retailer 1$2,934 AUD
Retailer 2$3,479 AUD
Retailer 20$3,713 AUD
Retailer 7$4,220 AUD
Retailer 21$4,423 AUD
Retailer 9$4,567 AUD
Retailer 19$4,951 AUD
Retailer 8$4,963 AUD
Retailer 14$6,942 AUD
Retailer 16$9,146 AUD

25 data points across 23 retailers

25 retailers$1,139 AUD to $11,424 AUD

A
Cheapest Retailer
-
$1,139 AUD
$798 USD
A
Retailer 2
-
$1,239 AUD
$868 USD
View
A
Retailer 3
-
$1,321 AUD
$926 USD
View
Retailer 4
-
$1,397 AUD
$979 USD
View
Price last confirmed 17 days ago
A
Retailer 5
-
$1,406 AUD
£776 GBP
View
A
Retailer 6
-
$1,428 AUD
$1,001 USD
View
Final sale: no returns
A
Retailer 7
-
$1,570 AUD
$1,100 USD
View
A
Retailer 8
-
$1,856 AUD
$1,301 USD
View
A
Retailer 9
-
$2,026 AUD
£1,118 GBP
View
B+
Retailer 10
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$2,130 AUD
$1,493 USD
View
Retailer 11
-
$2,325 AUD
€1,552 EUR
View
Price last confirmed 7 days ago
A
Retailer 12
-
$2,677 AUD
View
A
Retailer 13
-
$2,838 AUD
ZAR 32,134 ZAR
View
A
Retailer 14
-
$2,934 AUD
$2,056 USD
View
A
Retailer 15
-
$3,479 AUD
$2,438 USD
View
A
Retailer 16
-
$3,713 AUD
$2,602 USD
View
B+
Retailer 17
-
$4,220 AUD
$2,957 USD
View
B+
Retailer 18
-
$4,423 AUD
$3,100 USD
View
B+
Retailer 19
-
$4,567 AUD
$3,201 USD
View
B+
Retailer 20
-
$4,951 AUD
£2,732 GBP
View
B+
Retailer 21
-
$4,963 AUD
$3,478 USD
View
Retailer 22
-
$6,438 AUD
View
Price last confirmed 25 days ago
B
Retailer 23
-
$6,942 AUD
$4,865 USD
View
B
Retailer 24
-
$9,146 AUD
$6,410 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOJHMLPLPH · Nov 1
$11,424 AUD
$8,006 USD
View
24 more retailers have this diamond
Prices start from $1,139 AUDSave up to $10,285 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
5.05ct Marquise
$1,139 AUD