Marquise|Lab Grown|IGI

3.09ct D VS2 Marquise Lab Grown Diamond

EX • D/VS2 • IGI LG838653422

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG838653422

Diamond specifications and retailer prices

From $871 USD
As of October 29, 2026
Save $4,779 USD (85%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $5,650 USD at Brilliant Earth · As of October 30, 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 D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG838653422 or 838653422. Listed at 8 retailers as of October 29, 2026, with prices from $871 to $5,650, a $4,779 spread on the same certified stone. Brilliant Earth lists it at $5,650. 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
D
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838653422
Dimensions15.77 × 7.52 × 4.65 mm
L/W Ratio2.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.77 mm7.52 mm3.09 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838653422
Side View
Table 61.0%Crown 34.7°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $3,720 USD|Low: $871 USD|High: $3,720 USD|Avg: $1,817 USD|+1.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 6$871 USD
Retailer 8$888 USD
Retailer 5$1,037 USD
Retailer 3$1,074 USD
Retailer 9$1,081 USD
Retailer 2$1,143 USD
Retailer 7$1,659 USD
Retailer 4$3,611 USD
Brilliant Earth$3,720 USD

11 data points across 9 retailers

8 retailers$871 USD to $5,650 USD

A
Cheapest Retailer
-
$871 USD
B+
Retailer 2
-
$888 USD
View
A
Retailer 3
-
$1,029 USD
View
A
Retailer 4
-
$1,037 USD
View
A
Retailer 5
-
$1,074 USD
€1,023 EUR
View
B+
Retailer 6
-
$1,659 USD
View
B
Retailer 7
-
$3,611 USD
View
Most Expensive
B
Brilliant Earth
22279986A · Oct 30
$5,650 USD
View
7 more retailers have this diamond
Prices start from $871 USDSave up to $4,779 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
$871 USD