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Marquise|Lab Grown|IGI

3.46ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG752541496

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG752541496

Diamond specifications and retailer prices

From $476 USD
As of October 31, 2026
Save $2,755 USD (85%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $3,250 USD at Brilliant Earth · As of October 8, 2026
View at Brilliant Earth

About this 3.46ct lab-grown marquise diamond

This 3.46ct 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 LG752541496 or 752541496. Listed at 5 retailers as of October 31, 2026, with a 579% 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

3.46
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG752541496
Dimensions15.13 × 8.13 × 4.95 mm
L/W Ratio1.86
Girdle conditionFaceted
Culet sizePointed
Top View
15.13 mm8.13 mm3.46 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG752541496
Side View
Table 61.0%Crown 34.5°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.9%

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: Oct 31
Current: $3,250 USD|Low: $476 USD|High: $3,340 USD|Avg: $1,357 USD|-2.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 5$476 USD
Retailer 7$672 USD
Retailer 9$765 USD
Retailer 11$790 USD
Retailer 8$871 USD
Retailer 10$984 USD
Retailer 4$1,197 USD
Retailer 12$1,293 USD
Retailer 3$1,550 USD
Retailer 2$1,744 USD
Retailer 6$3,231 USD
Brilliant Earth$3,250 USD

22 data points across 12 retailers

5 retailers$476 USD to $3,231 USD

A
Cheapest Retailer
-
$476 USD
Final sale: no returns
B+
Retailer 2
-
$672 USD
View
B+
Retailer 3
-
$1,744 USD
View
B
Retailer 4
-
$3,231 USD
View
Most Expensive
Brilliant Earth
17322975A · Oct 8
$3,250 USD
View
Price last confirmed 24 days ago
4 more retailers have this diamond
Prices start from $476 USDSave up to $2,755 USD

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
3.46ct Marquise
$476 USD