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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 $495 AUD
$348 USD
As of October 30, 2026
Save $2,444 AUD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,940 AUD 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 11 retailers as of October 28, 2026, with prices from $495 to $2,940, a $2,444 spread on the same certified stone. Rare Carat lists it at $2,940. 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
Colour
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

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,940 AUD|Low: $554 AUD|High: $2,940 AUD|Avg: $1,372 AUD
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 9$554 AUD
Retailer 8$615 AUD
Retailer 5$753 AUD
Retailer 6$989 AUD
Retailer 3$1,105 AUD
Retailer 10$1,388 AUD
Retailer 7$1,802 AUD
Retailer 2$1,962 AUD
Retailer 4$2,401 AUD
Rare Carat$2,940 AUD

13 data points across 10 retailers

11 retailers$495 AUD to $2,940 AUD

A
Cheapest Retailer
-
$495 AUD
$348 USD
A
Retailer 2
-
$554 AUD
$389 USD
View
Final sale: no returns
Retailer 3
-
$615 AUD
$432 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$753 AUD
£416 GBP
View
B+
Retailer 5
-
$989 AUD
$695 USD
View
A
Retailer 6
-
$1,105 AUD
£611 GBP
View
B+
Retailer 7
-
$1,388 AUD
$975 USD
View
B+
Retailer 8
-
$1,802 AUD
$1,266 USD
View
B+
Retailer 9
-
$1,962 AUD
SGD 1,862 SGD
View
B
Retailer 10
-
$2,401 AUD
£1,328 GBP
View
Most Expensive
B
Rare Carat
PR-14696 · Oct 28
$2,940 AUD
$2,065 USD
View
10 more retailers have this diamond
Prices start from $495 AUDSave up to $2,444 AUD

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
$495 AUD