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Marquise|Lab Grown|IGI

3.10ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG774630755

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG774630755

Diamond specifications and retailer prices

From $596 CAD
$427 USD
As of November 1, 2026
Save $3,448 CAD (85%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $4,428 CAD at Brilliant Earth · As of October 6, 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 LG774630755 or 774630755. Listed at 6 retailers as of October 31, 2026, with a 578% 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
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG774630755
Dimensions15.45 × 7.42 × 4.70 mm
L/W Ratio2.08
Girdle conditionFaceted
Culet sizePointed
Top View
15.45 mm7.42 mm3.10 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG774630755
Side View
Table 61.0%Crown 35.7°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 63.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $4,428 CAD|Low: $596 CAD|High: $4,554 CAD|Avg: $1,945 CAD|-2.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 6$596 CAD
Retailer 9$855 CAD
Retailer 3$1,039 CAD
Retailer 12$1,069 CAD
Retailer 10$1,210 CAD
Retailer 4$1,330 CAD
Retailer 13$1,485 CAD
Retailer 5$1,699 CAD
Retailer 11$2,107 CAD
Retailer 2$2,183 CAD
Retailer 7$3,038 CAD
Retailer 8$4,045 CAD
Brilliant Earth$4,428 CAD

25 data points across 13 retailers

6 retailers$596 CAD to $4,045 CAD

A
Cheapest Retailer
-
$596 CAD
$427 USD
Final sale: no returns
B+
Retailer 2
-
$855 CAD
$612 USD
View
B+
Retailer 3
-
$2,183 CAD
$1,563 USD
View
B+
Retailer 4
-
$3,038 CAD
$2,175 USD
View
B
Retailer 5
-
$4,045 CAD
$2,895 USD
View
Most Expensive
Brilliant Earth
19396307A · Oct 6
$4,428 CAD
$3,170 USD
View
Price last confirmed 26 days ago
5 more retailers have this diamond
Prices start from $596 CADSave up to $3,448 CAD

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
$596 CAD