Marquise|Lab Grown|IGI

3.09ct F VVS1 Marquise Lab Grown Diamond

ID • F/VVS1 • IGI LG842607766

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG842607766

Diamond specifications and retailer prices

From $950 USD
As of November 1, 2026
Save $3,850 USD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,800 USD at Brilliant Earth · As of October 31, 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG842607766 or 842607766. Listed at 13 retailers as of October 31, 2026, with prices from $950 to $4,800, a $3,850 spread on the same certified stone. Brilliant Earth lists it at $4,800. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842607766
Dimensions14.70 × 7.52 × 4.69 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.70 mm7.52 mm3.09 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842607766
Side View
Table 59.0%Crown 38°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 62.4%

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: $4,230 USD|Low: $950 USD|High: $4,800 USD|Avg: $2,328 USD|-11.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 3, 2026
Retailer 7$950 USD
Retailer 12$1,033 USD
Retailer 2$1,106 USD
Retailer 3$1,794 USD
Retailer 11$2,154 USD
Retailer 10$2,239 USD
Retailer 9$2,296 USD
Retailer 8$2,339 USD
Retailer 6$2,982 USD
Retailer 5$3,076 USD
Retailer 4$4,194 USD
Brilliant Earth$4,230 USD

27 data points across 12 retailers

13 retailers$950 USD to $4,800 USD

A
Cheapest Retailer
-
$950 USD
A
Retailer 2
-
$1,033 USD
€984 EUR
View
A
Retailer 3
-
$1,106 USD
£871 GBP
View
B+
Retailer 4
-
$1,794 USD
View
B+
Retailer 5
-
$2,154 USD
View
B+
Retailer 6
-
$2,239 USD
SGD 3,026 SGD
View
B+
Retailer 7
-
$2,296 USD
View
B+
Retailer 8
-
$2,339 USD
View
B
Retailer 9
-
$2,982 USD
A$4,587 AUD
View
B+
Retailer 10
-
$3,076 USD
£2,422 GBP
View
Retailer 11
-
$4,194 USD
View
Price last confirmed 21 days ago
B
Retailer 12
-
$4,230 USD
View
Most Expensive
B
Brilliant Earth
21796145A · Oct 31
$4,800 USD
View
12 more retailers have this diamond
Prices start from $950 USDSave up to $3,850 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
$950 USD