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Marquise|Lab Grown|IGI

3.03ct G VS1 Marquise Lab Grown Diamond

VG • G/VS1 • IGI LG618437511

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG618437511

Diamond specifications and retailer prices

From $398 USD
As of October 30, 2026
Save $1,535 USD (79%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,933 USD at MOH London · As of October 26, 2026
View at MOH London

About this 3.03ct lab-grown marquise diamond

This 3.03ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG618437511 or 618437511. Listed at 19 retailers as of October 26, 2026, with prices from $398 to $1,933, a $1,535 spread on the same certified stone. MOH London lists it at $1,933. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.03
Carat
G
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618437511
Dimensions15.34 × 7.79 × 4.54 mm
L/W Ratio1.97
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
15.34 mm7.79 mm3.03 ctG / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618437511
Side View
Table 61.0%Crown 35.2°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 58.3%

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 30
Current: $1,933 USD|Low: $383 USD|High: $1,953 USD|Avg: $988 USD|+0.1%
MOH London
Retailer 2
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Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 31, 2026
Retailer 14$398 USD
Retailer 7$446 USD
Retailer 6$494 USD
Retailer 16$494 USD
Retailer 12$553 USD
Retailer 11$640 USD
Retailer 5$784 USD
Retailer 8$798 USD
Retailer 2$811 USD
Retailer 9$1,040 USD
Retailer 10$1,073 USD
Retailer 13$1,386 USD
Retailer 15$1,448 USD
Retailer 4$1,588 USD
Retailer 3$1,850 USD
MOH London$1,933 USD

42 data points across 16 retailers

19 retailers$398 USD to $1,933 USD

A
Cheapest Retailer
-
$398 USD
A
Retailer 2
-
$446 USD
View
A
Retailer 3
-
$446 USD
View
Final sale: no returns
A
Retailer 4
-
$494 USD
View
A
Retailer 5
-
$494 USD
View
Retailer 6
-
$553 USD
£435 GBP
View
Price last confirmed 14 days ago
A
Retailer 7
-
$640 USD
View
B+
Retailer 8
-
$784 USD
View
A
Retailer 9
-
$798 USD
View
A
Retailer 10
-
$811 USD
£639 GBP
View
B+
Retailer 11
-
$1,032 USD
View
A
Retailer 12
-
$1,040 USD
A$1,600 AUD
View
A
Retailer 13
-
$1,073 USD
ZAR 17,328 ZAR
View
B+
Retailer 14
-
$1,386 USD
View
Retailer 15
-
$1,448 USD
£1,140 GBP
View
Price last confirmed 25 days ago
B+
Retailer 16
-
$1,588 USD
View
B+
Retailer 17
-
$1,625 USD
View
B
Retailer 18
-
$1,850 USD
View
Most Expensive
B+
MOH London
LG618437511 · Oct 26
$1,933 USD
£1,522 GBP
View
18 more retailers have this diamond
Prices start from $398 USDSave up to $1,535 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
3.03ct Marquise
$398 USD