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Marquise|Lab Grown|IGI

3.50ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG737579322

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG737579322

Diamond specifications and retailer prices

From $1,487 AUD
$1,042 USD
As of November 2, 2026
1 retailer carries this diamond
Only listing: $1,487 AUD at B2C Jewels
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at B2C Jewels

About this 3.5ct lab-grown marquise diamond

This 3.5ct 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 LG737579322 or 737579322. Listed at a single retailer as of November 2, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

3.50
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG737579322
Dimensions16.22 × 7.75 × 4.83 mm
L/W Ratio2.09
Girdle conditionFaceted
Culet sizePointed
Top View
16.22 mm7.75 mm3.50 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG737579322
Side View
Table 60.0%Crown 34.9°Girdle: STK-THKPavilion 40.3°Culet: NoneDepth 62.3%

Caratlytics Score

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

Price History

Last verified: Nov 2
Current: $1,487 AUD|Low: $825 AUD|High: $10,017 AUD|Avg: $3,685 AUD|+4.5%
B2C Jewels
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September 23, 2026
Retailer 12$825 AUD
Retailer 14$1,477 AUD
B2C Jewels$1,487 AUD
Retailer 16$1,530 AUD
Retailer 7$1,863 AUD
Retailer 9$1,888 AUD
Retailer 3$2,122 AUD
Retailer 5$2,851 AUD
Retailer 13$3,347 AUD
Retailer 8$3,567 AUD
Retailer 10$4,110 AUD
Retailer 15$4,233 AUD
Retailer 11$4,495 AUD
Retailer 4$4,728 AUD
Retailer 2$7,762 AUD
Retailer 6$9,175 AUD

68 data points across 16 retailers

1 retailer

B+
B2C Jewels
31186542 · Nov 2
$1,487 AUD
$1,042 USD
View

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B+
3.50ct Marquise
$1,487 AUD