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Marquise|Lab Grown|IGI

3.10ct E VS1 Marquise Lab Grown Diamond

EX • E/VS1 • IGI LG750520539

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG750520539

Diamond specifications and retailer prices

From $2,593 AUD
CA$2,530 CAD
As of October 30, 2026
Save $1,150 AUD (31%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,672 AUD at MOH London · As of October 15, 2026
View at MOH London

About this 3.1ct lab-grown marquise diamond

This 3.1ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG750520539 or 750520539. Listed at 21 retailers as of October 30, 2026, with a 44% 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

3.10
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG750520539
Dimensions14.31 × 7.75 × 4.99 mm
L/W Ratio1.85
Girdle conditionFaceted
Culet sizePointed
Top View
14.31 mm7.75 mm3.10 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG750520539
Side View
Table 57.0%Crown 35.7°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 64.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $4,672 AUD|Low: $579 AUD|High: $7,659 AUD|Avg: $2,821 AUD|+8.2%
MOH London
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
October 16, 2026
Retailer 5$698 AUD
Retailer 4$901 AUD
Retailer 20$960 AUD
Retailer 19$1,224 AUD
Retailer 18$1,315 AUD
Retailer 21$1,407 AUD
Retailer 15$1,485 AUD
Retailer 23$1,540 AUD
Retailer 10$1,590 AUD
Retailer 2$1,620 AUD
Retailer 7$2,107 AUD
Retailer 13$2,507 AUD
Retailer 16$2,593 AUD
Retailer 8$2,907 AUD
Retailer 14$2,995 AUD
Retailer 6$3,371 AUD
Retailer 9$3,418 AUD
Retailer 22$3,532 AUD
Retailer 11$3,743 AUD
Retailer 3$4,242 AUD
MOH London$4,672 AUD
Retailer 12$5,156 AUD
Retailer 17$7,232 AUD

19 data points across 23 retailers

21 retailers$2,593 AUD to $3,743 AUD

Retailer 1
-
$698 AUD
$490 USD
Price last confirmed 30 days ago
Retailer 2
-
$698 AUD
$490 USD
View
Price last confirmed 27 days ago
Retailer 3
-
$814 AUD
$572 USD
View
Price last confirmed 33 days ago
Retailer 4
-
$857 AUD
$602 USD
View
Price last confirmed 24 days ago
Retailer 5
-
$901 AUD
$633 USD
View
Price last confirmed 27 days ago
Retailer 6
-
$901 AUD
$633 USD
View
Price last confirmed 29 days ago
Retailer 7
-
$913 AUD
$641 USD
View
Price last confirmed 17 days ago
Retailer 8
-
$1,315 AUD
$924 USD
View
Price last confirmed 17 days ago
Retailer 9
-
$1,407 AUD
$988 USD
View
Price last confirmed 19 days ago
Retailer 10
-
$2,507 AUD
$1,761 USD
View
Price last confirmed 16 days ago
B+
Retailer 11
-
$2,593 AUD
CA$2,530 CAD
View
Retailer 12
-
$2,617 AUD
$1,838 USD
View
Price last confirmed 31 days ago
Retailer 13
-
$2,617 AUD
$1,838 USD
View
Price last confirmed 27 days ago
Retailer 14
-
$2,907 AUD
£1,608 GBP
View
Price last confirmed 27 days ago
Retailer 15
-
$3,085 AUD
$2,167 USD
View
Price last confirmed 24 days ago
Retailer 16
-
$3,371 AUD
$2,368 USD
View
Price last confirmed 26 days ago
Retailer 17
-
$3,418 AUD
$2,401 USD
View
Price last confirmed 29 days ago
Retailer 18
-
$3,532 AUD
View
Price last confirmed 23 days ago
B
Retailer 19
-
$3,743 AUD
$2,629 USD
View
Retailer 20
-
$4,242 AUD
$2,980 USD
View
Price last confirmed 27 days ago
Most Expensive
MOH London
LG750520539 · Oct 15
$4,672 AUD
£2,584 GBP
View
Price last confirmed 17 days ago
20 more retailers have this diamond
Prices start from $2,593 AUDSave up to $1,150 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.

B+
3.10ct Marquise
$2,593 AUD