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Marquise|Lab Grown|IGI

3.03ct F SI1 Marquise Lab Grown Diamond

VG • F/SI1 • IGI LG754564363

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754564363

Diamond specifications and retailer prices

From $594 AUD
As of November 2, 2026
Save $3,350 AUD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,944 AUD at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 3.03ct lab-grown marquise diamond

This 3.03ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG754564363 or 754564363. Listed at 19 retailers as of November 2, 2026, with prices from $594 to $3,944, a $3,350 spread on the same certified stone. Brilliant Earth lists it at $3,944. 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
F
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle38.8°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754564363
Dimensions14.00 × 7.39 × 4.85 mm
L/W Ratio1.89
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.00 mm7.39 mm3.03 ctF / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754564363
Side View
Table 57.0%Crown 38.8°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 65.6%

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: Nov 2
Current: $3,944 AUD|Low: $569 AUD|High: $3,944 AUD|Avg: $1,667 AUD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 11$594 AUD
Retailer 3$735 AUD
Retailer 4$895 AUD
Retailer 8$946 AUD
Retailer 10$1,033 AUD
Retailer 2$1,141 AUD
Retailer 5$1,198 AUD
Retailer 7$2,064 AUD
Retailer 6$2,866 AUD
Retailer 9$3,013 AUD
Brilliant Earth$3,944 AUD

36 data points across 11 retailers

19 retailers$594 AUD to $3,944 AUD

A
Cheapest Retailer
-
$594 AUD
A
Retailer 2
-
$665 AUD
View
Retailer 3
-
$735 AUD
View
Price last confirmed 13 days ago
B+
Retailer 4
-
$735 AUD
View
A
Retailer 5
-
$895 AUD
View
A
Retailer 6
-
$946 AUD
View
B
Retailer 7
-
$1,033 AUD
View
A
Retailer 8
-
$1,141 AUD
View
A
Retailer 9
-
$1,198 AUD
View
B+
Retailer 10
-
$1,285 AUD
View
B+
Retailer 11
-
$1,493 AUD
View
B+
Retailer 12
-
$1,784 AUD
View
B+
Retailer 13
-
$2,064 AUD
View
B
Retailer 14
-
$2,336 AUD
View
B
Retailer 15
-
$2,365 AUD
View
B
Retailer 16
-
$2,415 AUD
View
B
Retailer 17
-
$2,866 AUD
View
Retailer 18
-
$3,013 AUD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
18204568A · Nov 3
$3,944 AUD
$2,710 USD
View
18 more retailers have this diamond
Prices start from $594 AUDSave up to $3,350 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
$594 AUD