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Marquise|Lab Grown|IGI

3.05ct G VS2 Marquise Lab Grown Diamond

EX • G/VS2 • IGI LG793642050

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG793642050

Diamond specifications and retailer prices

From $600 USD
As of October 29, 2026
Save $215 USD (26%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,955 USD at MOH London · As of October 21, 2026
View at MOH London

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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG793642050 or 793642050. Listed at 9 retailers as of October 29, 2026, with a 36% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG793642050
Dimensions15.70 × 7.46 × 4.45 mm
L/W Ratio2.10
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.70 mm7.46 mm3.05 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG793642050
Side View
Table 63.0%Crown 34.8°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 59.7%

Caratlytics Score

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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 29
Current: $1,955 USD|Low: $600 USD|High: $3,230 USD|Avg: $1,376 USD|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 3$600 USD
Retailer 5$722 USD
Retailer 8$786 USD
Retailer 2$815 USD
Retailer 6$841 USD
Retailer 4$1,322 USD
Retailer 7$1,701 USD
Retailer 10$1,752 USD
MOH London$1,955 USD
Retailer 9$3,230 USD

16 data points across 10 retailers

9 retailers$600 USD to $815 USD

A
Cheapest Retailer
-
$600 USD
Retailer 2
-
$722 USD
View
Price last confirmed 11 days ago
A
Retailer 3
-
$786 USD
View
A
Retailer 4
-
$815 USD
£641 GBP
View
Retailer 5
-
$841 USD
View
Price last confirmed 12 days ago
Retailer 6
-
$1,322 USD
View
Price last confirmed 12 days ago
Retailer 7
-
$1,701 USD
View
Price last confirmed 14 days ago
Retailer 8
-
$1,752 USD
View
Price last confirmed 12 days ago
Most Expensive
MOH London
LG793642050 · Oct 21
$1,955 USD
£1,539 GBP
View
Price last confirmed 13 days ago
8 more retailers have this diamond
Prices start from $600 USDSave up to $215 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
$600 USD