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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 $736 NZD
As of November 2, 2026
Save $4,153 NZD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,889 NZD 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 $736 to $4,889, a $4,153 spread on the same certified stone. Brilliant Earth lists it at $4,889. 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: $4,889 NZD|Low: $705 NZD|High: $4,889 NZD|Avg: $2,066 NZD
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$736 NZD
Retailer 3$911 NZD
Retailer 4$1,109 NZD
Retailer 8$1,173 NZD
Retailer 10$1,281 NZD
Retailer 2$1,414 NZD
Retailer 5$1,485 NZD
Retailer 7$2,558 NZD
Retailer 6$3,552 NZD
Retailer 9$3,734 NZD
Brilliant Earth$4,889 NZD

36 data points across 11 retailers

19 retailers$736 NZD to $4,889 NZD

A
Cheapest Retailer
-
$736 NZD
A
Retailer 2
-
$824 NZD
View
Retailer 3
-
$911 NZD
View
Price last confirmed 13 days ago
B+
Retailer 4
-
$911 NZD
View
A
Retailer 5
-
$1,109 NZD
View
A
Retailer 6
-
$1,173 NZD
View
B
Retailer 7
-
$1,281 NZD
View
A
Retailer 8
-
$1,414 NZD
View
A
Retailer 9
-
$1,485 NZD
View
B+
Retailer 10
-
$1,593 NZD
View
B+
Retailer 11
-
$1,851 NZD
View
B+
Retailer 12
-
$2,212 NZD
View
B+
Retailer 13
-
$2,558 NZD
View
B
Retailer 14
-
$2,895 NZD
View
B
Retailer 15
-
$2,931 NZD
View
B
Retailer 16
-
$2,993 NZD
View
B
Retailer 17
-
$3,552 NZD
View
Retailer 18
-
$3,734 NZD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
18204568A · Nov 3
$4,889 NZD
$2,710 USD
View
18 more retailers have this diamond
Prices start from $736 NZDSave up to $4,153 NZD

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
$736 NZD