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Marquise|Lab Grown|IGI

3.10ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG755508873

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG755508873

Diamond specifications and retailer prices

From $761 AUD
$533 USD
As of November 2, 2026
Save $6,174 AUD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $6,935 AUD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 3.1ct lab-grown marquise diamond

This 3.1ct 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 LG755508873 or 755508873. Listed at 18 retailers as of November 2, 2026, with prices from $761 to $6,935, a $6,174 spread on the same certified stone. Brilliant Earth lists it at $6,935. 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
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG755508873
Dimensions15.41 × 7.60 × 4.72 mm
L/W Ratio2.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.41 mm7.60 mm3.10 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG755508873
Side View
Table 59.0%Crown 33.6°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
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: Nov 2
Current: $6,935 AUD|Low: $731 AUD|High: $7,149 AUD|Avg: $2,131 AUD|-2.8%
Brilliant Earth
Retailer 2
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Retailer 21
November 2, 2026
Retailer 20$761 AUD
Retailer 5$852 AUD
Retailer 6$943 AUD
Retailer 21$943 AUD
Retailer 13$1,050 AUD
Retailer 17$1,134 AUD
Retailer 11$1,208 AUD
Retailer 10$1,252 AUD
Retailer 8$1,259 AUD
Retailer 7$1,453 AUD
Retailer 9$1,598 AUD
Retailer 15$1,993 AUD
Retailer 2$2,049 AUD
Retailer 18$2,436 AUD
Retailer 3$2,483 AUD
Retailer 14$2,549 AUD
Retailer 4$2,740 AUD
Retailer 19$3,039 AUD
Retailer 12$3,306 AUD
Retailer 16$3,961 AUD
Brilliant Earth$6,935 AUD

38 data points across 21 retailers

18 retailers$761 AUD to $6,935 AUD

A
Cheapest Retailer
-
$761 AUD
$533 USD
A
Retailer 2
-
$852 AUD
$597 USD
View
Retailer 3
-
$943 AUD
$661 USD
View
Price last confirmed 17 days ago
A
Retailer 4
-
$943 AUD
$661 USD
View
A
Retailer 5
-
$1,050 AUD
£580 GBP
View
A
Retailer 6
-
$1,134 AUD
$795 USD
View
B+
Retailer 7
-
$1,259 AUD
$882 USD
View
A
Retailer 8
-
$1,453 AUD
$1,018 USD
View
A
Retailer 9
-
$1,598 AUD
$1,120 USD
View
B+
Retailer 10
-
$1,993 AUD
View
A
Retailer 11
-
$2,049 AUD
ZAR 23,196 ZAR
View
B+
Retailer 12
-
$2,436 AUD
$1,707 USD
View
B+
Retailer 13
-
$2,483 AUD
$1,740 USD
View
B+
Retailer 14
-
$2,740 AUD
£1,512 GBP
View
B+
Retailer 15
-
$3,039 AUD
$2,130 USD
View
Retailer 16
-
$3,303 AUD
$2,315 USD
View
Price last confirmed 29 days ago
B
Retailer 17
-
$3,961 AUD
£2,186 GBP
View
Most Expensive
B
Brilliant Earth
16858560A · Nov 2
$6,935 AUD
$4,860 USD
View
17 more retailers have this diamond
Prices start from $761 AUDSave up to $6,174 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
3.10ct Marquise
$761 AUD