Marquise|Lab Grown|IGI

3.06ct G VS2 Marquise Lab Grown Diamond

EX • G/VS2 • IGI LG840655221

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG840655221

Diamond specifications and retailer prices

From $421 USD
As of November 3, 2026
Save $2,364 USD (85%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $2,785 USD at Frank Darling · As of November 2, 2026
View at Frank Darling

About this 3.06ct lab-grown marquise diamond

This 3.06ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG840655221 or 840655221. Listed at 5 retailers as of November 2, 2026, with prices from $421 to $2,785, a $2,364 spread on the same certified stone. Frank Darling lists it at $2,785. 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

3.06
Carat
G
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840655221
Dimensions14.98 × 7.43 × 4.76 mm
L/W Ratio2.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.98 mm7.43 mm3.06 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840655221
Side View
Table 61.0%Crown 37.5°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 64.1%

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: $2,785 USD|Low: $421 USD|High: $2,785 USD|Avg: $1,319 USD|-0.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 3$421 USD
Retailer 4$601 USD
Retailer 6$883 USD
Retailer 2$1,543 USD
Retailer 5$2,020 USD
Frank Darling$2,785 USD

10 data points across 6 retailers

5 retailers$421 USD to $2,785 USD

A
Cheapest Retailer
-
$421 USD
Final sale: no returns
B+
Retailer 2
-
$601 USD
View
B+
Retailer 3
-
$1,543 USD
View
B+
Retailer 4
-
$2,020 USD
View
Most Expensive
B
Frank Darling
100759760877KD · Nov 2
$2,785 USD
View
4 more retailers have this diamond
Prices start from $421 USDSave up to $2,364 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
3.06ct Marquise
$421 USD