Marquise|Lab Grown|IGI

3.09ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG836678012

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG836678012

Diamond specifications and retailer prices

From $627 USD
As of November 3, 2026
Save $3,023 USD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,650 USD at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 3.09ct lab-grown marquise diamond

This 3.09ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG836678012 or 836678012. Listed at 19 retailers as of November 3, 2026, with prices from $627 to $3,650, a $3,023 spread on the same certified stone. Brilliant Earth lists it at $3,650. 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
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836678012
Dimensions15.43 × 7.55 × 4.50 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
15.43 mm7.55 mm3.09 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836678012
Side View
Table 59.0%Crown 35.1°Girdle: MED-STKPavilion 37.8°Culet: NoneDepth 59.6%

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 3
Current: $3,650 USD|Low: $471 USD|High: $4,320 USD|Avg: $1,462 USD|-10.5%
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
Retailer 14
Retailer 15
Retailer 16
November 4, 2026
Retailer 8$471 USD
Retailer 7$528 USD
Retailer 5$627 USD
Retailer 10$652 USD
Retailer 16$715 USD
Retailer 4$880 USD
Retailer 2$895 USD
Retailer 9$939 USD
Retailer 14$1,209 USD
Retailer 11$1,243 USD
Retailer 13$1,539 USD
Retailer 15$1,814 USD
Retailer 3$2,010 USD
Retailer 12$2,103 USD
Retailer 6$2,560 USD
Brilliant Earth$3,650 USD

32 data points across 16 retailers

19 retailers$627 USD to $3,650 USD

Retailer 1
-
$471 USD
Price last confirmed 18 days ago
Retailer 2
-
$528 USD
View
Price last confirmed 20 days ago
Retailer 3
-
$584 USD
View
Price last confirmed 19 days ago
Retailer 4
-
$584 USD
View
Price last confirmed 32 days ago
A
Retailer 5
-
$627 USD
View
A
Retailer 6
-
$652 USD
View
A
Retailer 7
-
$715 USD
View
Retailer 8
-
$880 USD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$895 USD
View
A
Retailer 10
-
$939 USD
View
A
Retailer 11
-
$1,209 USD
View
A
Retailer 12
-
$1,243 USD
View
B+
Retailer 13
-
$1,539 USD
View
B+
Retailer 14
-
$1,814 USD
View
Retailer 15
-
$1,878 USD
View
Price last confirmed 19 days ago
B+
Retailer 16
-
$2,010 USD
View
B+
Retailer 17
-
$2,103 USD
View
B
Retailer 18
-
$2,560 USD
View
Most Expensive
B
Brilliant Earth
21573143A · Nov 3
$3,650 USD
View
18 more retailers have this diamond
Prices start from $627 USDSave up to $3,023 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
$627 USD