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Marquise|Lab Grown|IGI

3.31ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG755509033

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG755509033

Diamond specifications and retailer prices

From $920 AUD
$646 USD
As of November 1, 2026
Save $3,481 AUD (79%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $4,401 AUD at Frank Darling · As of October 28, 2026
View at Frank Darling

About this 3.31ct lab-grown marquise diamond

This 3.31ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG755509033 or 755509033. Listed at 6 retailers as of October 28, 2026, with prices from $920 to $4,401, a $3,481 spread on the same certified stone. Frank Darling lists it at $4,401. 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

3.31
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG755509033
Dimensions14.93 × 8.00 × 5.04 mm
L/W Ratio1.87
Girdle conditionFaceted
Culet sizePointed
Top View
14.93 mm8.00 mm3.31 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG755509033
Side View
Table 60.0%Crown 34.6°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.0%

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: Nov 1
Current: $4,401 AUD|Low: $861 AUD|High: $7,944 AUD|Avg: $2,648 AUD
Frank Darling
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 31, 2026
Retailer 15$861 AUD
Retailer 9$920 AUD
Retailer 7$963 AUD
Retailer 13$1,287 AUD
Retailer 5$1,365 AUD
Retailer 11$1,717 AUD
Retailer 4$1,750 AUD
Retailer 14$2,038 AUD
Retailer 2$2,375 AUD
Retailer 3$2,528 AUD
Retailer 10$2,940 AUD
Retailer 8$3,801 AUD
Frank Darling$4,401 AUD
Retailer 6$4,655 AUD
Retailer 12$7,944 AUD

2 data points across 15 retailers

6 retailers$920 AUD to $4,401 AUD

B+
Cheapest Retailer
-
$920 AUD
$646 USD
B+
Retailer 2
-
$2,038 AUD
CA$1,988 CAD
View
B+
Retailer 3
-
$2,375 AUD
$1,668 USD
View
B+
Retailer 4
-
$2,940 AUD
$2,065 USD
View
B
Retailer 5
-
$3,801 AUD
$2,670 USD
View
Most Expensive
B
Frank Darling
100743325650KD · Oct 28
$4,401 AUD
$3,091 USD
View
5 more retailers have this diamond
Prices start from $920 AUDSave up to $3,481 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+
3.31ct Marquise
$920 AUD