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Marquise|Lab Grown|IGI

3.10ct F VS2 Marquise Lab Grown Diamond

EX • F/VS2 • IGI LG839655667

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839655667

Diamond specifications and retailer prices

From $689 AUD
As of November 4, 2026
Save $3,148 AUD (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,964 AUD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.1ct lab-grown marquise diamond

This 3.1ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839655667 or 839655667. Listed at 12 retailers as of November 4, 2026, with a 457% 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
F
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839655667
Dimensions15.18 × 7.45 × 4.81 mm
L/W Ratio2.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.18 mm7.45 mm3.10 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839655667
Side View
Table 58.0%Crown 36.2°Girdle: MED-THKPavilion 40.7°Culet: NoneDepth 64.6%

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 4
Current: $3,964 AUD|Low: $686 AUD|High: $4,021 AUD|Avg: $2,254 AUD|-1.4%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 8$689 AUD
Retailer 7$1,019 AUD
Retailer 6$1,057 AUD
Retailer 12$1,287 AUD
Retailer 4$1,389 AUD
Retailer 11$2,121 AUD
Retailer 10$2,294 AUD
Retailer 9$2,744 AUD
Retailer 2$2,973 AUD
Retailer 5$3,553 AUD
Retailer 3$3,837 AUD
Rare Carat$3,964 AUD

19 data points across 12 retailers

12 retailers$689 AUD to $3,837 AUD

A
Cheapest Retailer
-
$689 AUD
Retailer 2
-
$769 AUD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$1,019 AUD
View
A
Retailer 4
-
$1,057 AUD
View
Retailer 5
-
$1,287 AUD
View
Price last confirmed 11 days ago
B+
Retailer 6
-
$2,121 AUD
View
B+
Retailer 7
-
$2,294 AUD
View
B+
Retailer 8
-
$2,744 AUD
View
B+
Retailer 9
-
$2,973 AUD
View
B
Retailer 10
-
$3,553 AUD
View
B
Retailer 11
-
$3,837 AUD
View
Most Expensive
Rare Carat
LGMQ30-170458 · Oct 28
$3,964 AUD
$2,775 USD
View
Price last confirmed 7 days ago
11 more retailers have this diamond
Prices start from $689 AUDSave up to $3,148 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
$689 AUD