Marquise|Lab Grown|IGI

3.09ct I VS1 Marquise Lab Grown Diamond

EX • I/VS1 • IGI LG846648114

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG846648114

Diamond specifications and retailer prices

From $674 USD
As of October 27, 2026
Save $2,625 USD (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,299 USD at MOH London · As of October 26, 2026
View at MOH London

About this 3.09ct lab-grown marquise diamond

This 3.09ct lab-grown marquise sits in the three to five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG846648114 or 846648114. Listed at 12 retailers as of October 26, 2026, with prices from $674 to $3,299, a $2,625 spread on the same certified stone. MOH London lists it at $3,299. 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

3.09
Carat
I
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846648114
Dimensions14.72 × 7.51 × 4.83 mm
L/W Ratio1.96
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.72 mm7.51 mm3.09 ctI / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846648114
Side View
Table 62.0%Crown 37.8°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 64.3%

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: Oct 27
Current: $3,299 USD|Low: $674 USD|High: $3,440 USD|Avg: $1,657 USD|+19.7%
MOH London
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 9$674 USD
Retailer 10$755 USD
Retailer 8$960 USD
Retailer 4$985 USD
Retailer 11$1,115 USD
Retailer 3$1,163 USD
Retailer 5$1,251 USD
Retailer 2$1,706 USD
Retailer 7$2,115 USD
Retailer 6$2,240 USD
Retailer 12$2,698 USD
MOH London$3,299 USD

7 data points across 12 retailers

12 retailers$674 USD to $3,299 USD

A
Cheapest Retailer
-
$674 USD
A
Retailer 2
-
$755 USD
View
Final sale: no returns
A
Retailer 3
-
$960 USD
View
Retailer 4
-
$985 USD
€938 EUR
View
Price last confirmed 7 days ago
B+
Retailer 5
-
$1,115 USD
View
A
Retailer 6
-
$1,163 USD
View
A
Retailer 7
-
$1,251 USD
View
B+
Retailer 8
-
$1,706 USD
View
B+
Retailer 9
-
$2,115 USD
View
B+
Retailer 10
-
$2,240 USD
View
B
Retailer 11
-
$2,698 USD
View
Most Expensive
B
MOH London
LG846648114 · Oct 26
$3,299 USD
£2,598 GBP
View
11 more retailers have this diamond
Prices start from $674 USDSave up to $2,625 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
3.09ct Marquise
$674 USD