Princess|Lab Grown|IGI

3.03ct E SI1 Princess Lab Grown Diamond

ID • E/SI1 • IGI LG816685582

Shape and cutting style on the report: Princess cut

Certificate IGI LG816685582

Diamond specifications and retailer prices

From $595 USD
As of October 28, 2026
Save $107 USD (15%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,925 USD at Rare Carat · As of September 30, 2026
View at Rare Carat

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 LG816685582 or 816685582. Listed at 3 retailers as of October 28, 2026, with a relatively tight 18% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.1°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816685582
Dimensions8.02 × 7.97 × 5.66 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.02 mm7.97 mm3.03 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816685582
Side View
Table 71.0%Crown 47.1°Girdle: MediumPavilion 38.1°CuletDepth 71.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: $1,925 USD|Low: $595 USD|High: $1,925 USD|Avg: $1,100 USD
Rare Carat
Retailer 2
Retailer 3
October 29, 2026
Retailer 3$595 USD
Retailer 2$702 USD
Rare Carat$1,925 USD

6 data points across 3 retailers

3 retailers$595 USD to $702 USD

B+
Cheapest Retailer
-
$595 USD
A
Retailer 2
-
$702 USD
€669 EUR
View
Most Expensive
Rare Carat
37R816685582 · Sep 30
$1,925 USD
View
Price last confirmed 30 days ago
2 more retailers have this diamond
Prices start from $595 USDSave up to $107 USD

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
$595 USD