Marquise|Lab Grown|IGI

3.05ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG839649765

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839649765

Diamond specifications and retailer prices

From $430 USD
As of October 31, 2026
Save $2,419 USD (85%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,849 USD at Frank Darling · As of October 31, 2026
View at Frank Darling

About this 3.05ct lab-grown marquise diamond

This 3.05ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839649765 or 839649765. Listed at 6 retailers as of October 31, 2026, with prices from $430 to $2,849, a $2,419 spread on the same certified stone. Frank Darling lists it at $2,849. 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

3.05
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839649765
Dimensions15.35 × 7.50 × 4.72 mm
L/W Ratio2.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.35 mm7.50 mm3.05 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839649765
Side View
Table 58.0%Crown 37.3°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.9%

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: $2,849 USD|Low: $430 USD|High: $2,849 USD|Avg: $1,408 USD|-0.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 4$430 USD
Retailer 5$610 USD
Retailer 7$810 USD
Retailer 3$843 USD
Retailer 2$1,576 USD
Retailer 6$2,170 USD
Frank Darling$2,849 USD

9 data points across 7 retailers

6 retailers$430 USD to $2,849 USD

A
Cheapest Retailer
-
$430 USD
Final sale: no returns
B+
Retailer 2
-
$610 USD
View
A
Retailer 3
-
$759 USD
View
B+
Retailer 4
-
$1,576 USD
View
B
Retailer 5
-
$2,170 USD
View
Most Expensive
B
Frank Darling
100759858629KD · Oct 31
$2,849 USD
View
5 more retailers have this diamond
Prices start from $430 USDSave up to $2,419 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
3.05ct Marquise
$430 USD