Marquise|Lab Grown|IGI

3.05ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG815671135

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG815671135

Diamond specifications and retailer prices

From $436 USD
As of October 31, 2026
Save $2,413 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 LG815671135 or 815671135. Listed at 6 retailers as of October 31, 2026, with prices from $436 to $2,849, a $2,413 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815671135
Dimensions15.34 × 7.55 × 4.70 mm
L/W Ratio2.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.34 mm7.55 mm3.05 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815671135
Side View
Table 58.0%Crown 34.6°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.3%

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: $436 USD|High: $3,320 USD|Avg: $1,367 USD|-0.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 3$436 USD
Retailer 10$568 USD
Retailer 4$617 USD
Retailer 9$748 USD
Retailer 8$820 USD
Retailer 6$881 USD
Retailer 2$1,595 USD
Retailer 5$2,170 USD
Frank Darling$2,849 USD
Retailer 7$3,320 USD

12 data points across 10 retailers

6 retailers$436 USD to $2,849 USD

A
Cheapest Retailer
-
$436 USD
Final sale: no returns
B+
Retailer 2
-
$617 USD
View
Retailer 3
-
$881 USD
View
Price last confirmed 19 days ago
B+
Retailer 4
-
$1,595 USD
View
B
Retailer 5
-
$2,170 USD
View
Most Expensive
B
Frank Darling
100757963756KD · Oct 31
$2,849 USD
View
5 more retailers have this diamond
Prices start from $436 USDSave up to $2,413 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
$436 USD