Marquise|Lab Grown|IGI

3.03ct G SI2 Marquise Lab Grown Diamond

VG • G/SI2 • IGI LG825655562

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG825655562

Diamond specifications and retailer prices

From €311 EUR
$348 USD
As of October 30, 2026
Save €1,537 EUR (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €1,848 EUR at Rare Carat · As of October 28, 2026
View at Rare Carat

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 SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI LG825655562 or 825655562. Listed at 10 retailers as of October 28, 2026, with prices from €311 to €1,848, a €1,537 spread on the same certified stone. Rare Carat lists it at €1,848. 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
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825655562
Dimensions15.37 × 7.59 × 4.65 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
15.37 mm7.59 mm3.03 ctG / SI2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825655562
Side View
Table 60.0%Crown 34.4°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.3%

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: €1,848 EUR|Low: €348 EUR|High: €1,848 EUR|Avg: €857 EUR
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 8€348 EUR
Retailer 7€387 EUR
Retailer 3€473 EUR
Retailer 5€622 EUR
Retailer 4€689 EUR
Retailer 9€873 EUR
Retailer 6€1,133 EUR
Retailer 2€1,510 EUR
Rare Carat€1,848 EUR

12 data points across 9 retailers

10 retailers€311 EUR to €1,848 EUR

A
Cheapest Retailer
-
€311 EUR
$348 USD
A
Retailer 2
-
€348 EUR
$389 USD
View
Final sale: no returns
Retailer 3
-
€387 EUR
$432 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
€473 EUR
£416 GBP
View
B+
Retailer 5
-
€622 EUR
$695 USD
View
A
Retailer 6
-
€689 EUR
£606 GBP
View
B+
Retailer 7
-
€873 EUR
$975 USD
View
B+
Retailer 8
-
€1,133 EUR
$1,266 USD
View
B
Retailer 9
-
€1,510 EUR
£1,328 GBP
View
Most Expensive
B
Rare Carat
PR-14696 · Oct 28
€1,848 EUR
$2,065 USD
View
9 more retailers have this diamond
Prices start from €311 EURSave up to €1,537 EUR

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
€311 EUR