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Princess|Lab Grown|IGI

3.03ct E SI1 Princess Lab Grown Diamond

ID • E/SI1 • IGI LG625428455

Shape and cutting style on the report: Princess cut

Certificate IGI LG625428455

Diamond specifications and retailer prices

From $733 NZD
As of November 6, 2026
Save $3,857 NZD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,590 NZD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 3.03ct lab-grown princess diamond

This 3.03ct lab-grown princess sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG625428455 or 625428455. Listed at 18 retailers as of November 4, 2026, with prices from $733 to $4,590, a $3,857 spread on the same certified stone. Brilliant Earth lists it at $4,590. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.03
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.8°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG625428455
Dimensions7.87 × 7.82 × 5.50 mm
L/W Ratio1.01
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
7.87 mm7.82 mm3.03 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG625428455
Side View
Table 69.0%Crown 44.8°Girdle: Slightly ThickPavilion 36.7°Culet: NoneDepth 70.3%

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 6
Current: $4,590 NZD|Low: $704 NZD|High: $4,590 NZD|Avg: $1,978 NZD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 13$733 NZD
Retailer 12$847 NZD
Retailer 3$909 NZD
Retailer 6$1,105 NZD
Retailer 10$1,165 NZD
Retailer 4$1,224 NZD
Retailer 2$1,471 NZD
Retailer 9$1,528 NZD
Retailer 8$2,551 NZD
Retailer 5$2,923 NZD
Retailer 11$3,371 NZD
Retailer 7$3,542 NZD
Brilliant Earth$4,590 NZD

37 data points across 13 retailers

18 retailers$733 NZD to $4,590 NZD

A
Cheapest Retailer
-
$733 NZD
A
Retailer 2
-
$822 NZD
View
A
Retailer 3
-
$847 NZD
View
Final sale: no returns
Retailer 4
-
$909 NZD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$909 NZD
View
A
Retailer 6
-
$1,105 NZD
View
A
Retailer 7
-
$1,165 NZD
View
B+
Retailer 8
-
$1,224 NZD
View
A
Retailer 9
-
$1,446 NZD
View
A
Retailer 10
-
$1,471 NZD
View
Retailer 11
-
$1,528 NZD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$1,786 NZD
View
B+
Retailer 13
-
$2,206 NZD
View
B
Retailer 14
-
$2,551 NZD
View
B
Retailer 15
-
$2,923 NZD
View
Retailer 16
-
$3,371 NZD
View
Price last confirmed 19 days ago
B
Retailer 17
-
$3,542 NZD
View
Most Expensive
B
Brilliant Earth
11253237A · Nov 4
$4,590 NZD
$2,580 USD
View
17 more retailers have this diamond
Prices start from $733 NZDSave up to $3,857 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 Princess
$733 NZD