Princess|Lab Grown|IGI

1.03ct D SI1 Princess Lab Grown Diamond

VG • D/SI1 • IGI LG853694591

Shape and cutting style on the report: Princess cut

Certificate IGI LG853694591

Diamond specifications and retailer prices

From €135 EUR
As of November 6, 2026
Save €445 EUR (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €579 EUR at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 1.03ct lab-grown princess diamond

This 1.03ct lab-grown princess sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG853694591 or 853694591. Listed at 11 retailers as of November 5, 2026, with prices from €135 to €579, a €445 spread on the same certified stone. Brilliant Earth lists it at €579. 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

1.03
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle42.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG853694591
Dimensions5.41 × 5.35 × 3.99 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.41 mm5.35 mm1.03 ctD / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG853694591
Side View
Table 73.0%Crown 42.9°Girdle: MediumPavilion 40.2°Culet: NoneDepth 74.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: €198 EUR|Low: €135 EUR|High: €535 EUR|Avg: €261 EUR
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 5€135 EUR
Retailer 10€150 EUR
Retailer 8€156 EUR
Retailer 9€193 EUR
Retailer 1€198 EUR
Retailer 7€287 EUR
Retailer 4€306 EUR
Retailer 6€316 EUR
Retailer 2€457 EUR
Retailer 3€535 EUR

2 data points across 10 retailers

11 retailers€135 EUR to €579 EUR

A
Cheapest Retailer
-
€135 EUR
A
Retailer 2
-
€150 EUR
View
Final sale: no returns
A
Retailer 3
-
€156 EUR
View
B+
Retailer 4
-
€193 EUR
View
B+
Retailer 5
-
€198 EUR
View
B+
Retailer 6
-
€287 EUR
View
B+
Retailer 7
-
€306 EUR
View
B+
Retailer 8
-
€316 EUR
View
B
Retailer 9
-
€457 EUR
View
B
Retailer 10
-
€535 EUR
View
Most Expensive
B
Brilliant Earth
22517802A · Nov 5
€579 EUR
$650 USD
View
10 more retailers have this diamond
Prices start from €135 EURSave up to €445 EUR

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
1.03ct Princess
€135 EUR