Marquise|Lab Grown|IGI

5.11ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG805676095

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG805676095

Diamond specifications and retailer prices

From $1,439 AUD
$1,011 USD
As of October 29, 2026
Save $3,743 AUD (72%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $11,574 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 5.11ct lab-grown marquise diamond

This 5.11ct lab-grown marquise sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG805676095 or 805676095. Listed at 15 retailers as of October 29, 2026, with a 260% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

5.11
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805676095
Dimensions17.76 × 8.95 × 5.67 mm
L/W Ratio1.98
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.76 mm8.95 mm5.11 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805676095
Side View
Table 58.0%Crown 35.9°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 63.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $11,574 AUD|Low: $1,439 AUD|High: $16,556 AUD|Avg: $4,179 AUD|-30.1%
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
October 30, 2026
Retailer 4$1,439 AUD
Retailer 2$1,620 AUD
Retailer 11$1,744 AUD
Retailer 8$2,296 AUD
Retailer 7$2,394 AUD
Retailer 12$2,683 AUD
Retailer 13$3,020 AUD
Retailer 10$3,031 AUD
Retailer 3$3,318 AUD
Retailer 14$3,421 AUD
Retailer 5$4,667 AUD
Retailer 15$4,668 AUD
Retailer 9$5,086 AUD
Retailer 6$5,183 AUD
Brilliant Earth$11,574 AUD

13 data points across 15 retailers

15 retailers$1,439 AUD to $5,183 AUD

A
Cheapest Retailer
-
$1,439 AUD
$1,011 USD
Final sale: no returns
A
Retailer 2
-
$1,620 AUD
£896 GBP
View
A
Retailer 3
-
$1,744 AUD
$1,225 USD
View
A
Retailer 4
-
$2,296 AUD
£1,270 GBP
View
A
Retailer 5
-
$2,394 AUD
$1,682 USD
View
A
Retailer 6
-
$2,683 AUD
€1,795 EUR
View
Retailer 7
-
$3,020 AUD
View
Price last confirmed 9 days ago
A
Retailer 8
-
$3,031 AUD
ZAR 34,392 ZAR
View
B+
Retailer 9
-
$3,318 AUD
$2,331 USD
View
B+
Retailer 10
-
$3,421 AUD
$2,403 USD
View
B+
Retailer 11
-
$4,667 AUD
$3,278 USD
View
B+
Retailer 12
-
$4,668 AUD
$3,279 USD
View
B+
Retailer 13
-
$5,086 AUD
£2,813 GBP
View
B
Retailer 14
-
$5,183 AUD
$3,641 USD
View
Most Expensive
Brilliant Earth
22163217A · Oct 30
$11,574 AUD
$8,130 USD
View
Price under review
14 more retailers have this diamond
Prices start from $1,439 AUDSave up to $3,743 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
5.11ct Marquise
$1,439 AUD