Marquise|Lab Grown|IGI

3.09ct D VS2 Marquise Lab Grown Diamond

ID • D/VS2 • IGI LG835664739

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG835664739

Diamond specifications and retailer prices

From $688 USD
As of October 29, 2026
Save $2,924 USD (81%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $3,612 USD at Frank Darling · As of October 29, 2026
View at Frank Darling

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 LG835664739 or 835664739. Listed at 4 retailers as of October 29, 2026, with prices from $688 to $3,612, a $2,924 spread on the same certified stone. Frank Darling lists it at $3,612. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835664739
Dimensions15.42 × 7.44 × 4.69 mm
L/W Ratio2.07
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.42 mm7.44 mm3.09 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835664739
Side View
Table 60.0%Crown 34.4°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 63.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $3,612 USD|Low: $683 USD|High: $3,612 USD|Avg: $1,964 USD|+0.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
October 28, 2026
Retailer 3$688 USD
Retailer 4$950 USD
Retailer 2$2,151 USD
Frank Darling$3,612 USD

8 data points across 4 retailers

4 retailers$688 USD to $3,612 USD

A
Cheapest Retailer
-
$688 USD
Final sale: no returns
A
Retailer 2
-
$950 USD
View
B+
Retailer 3
-
$2,151 USD
View
Most Expensive
B
Frank Darling
100198130735KD · Oct 29
$3,612 USD
View
3 more retailers have this diamond
Prices start from $688 USDSave up to $2,924 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
$688 USD