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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 $979 AUD
$688 USD
As of October 31, 2026
Save $4,163 AUD (81%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $5,143 AUD 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 $979 to $5,143, a $4,163 spread on the same certified stone. Frank Darling lists it at $5,143. 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
Colour
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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $5,143 AUD|Low: $972 AUD|High: $5,143 AUD|Avg: $2,796 AUD|+0.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
October 28, 2026
Retailer 3$979 AUD
Retailer 4$1,352 AUD
Retailer 2$3,062 AUD
Frank Darling$5,143 AUD

8 data points across 4 retailers

4 retailers$979 AUD to $5,143 AUD

A
Cheapest Retailer
-
$979 AUD
$688 USD
Final sale: no returns
A
Retailer 2
-
$1,352 AUD
$950 USD
View
B+
Retailer 3
-
$3,062 AUD
$2,151 USD
View
Most Expensive
B
Frank Darling
100198130735KD · Oct 29
$5,143 AUD
$3,612 USD
View
3 more retailers have this diamond
Prices start from $979 AUDSave up to $4,163 AUD

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
$979 AUD