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Princess|Lab Grown|IGI

1.03ct F IF Princess Lab Grown Diamond

ID • F/IF • IGI LG742528423

Shape and cutting style on the report: Princess cut

Certificate IGI LG742528423

Diamond specifications and retailer prices

From €210 EUR
As of November 4, 2026
Save €1,099 EUR (84%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €1,310 EUR at Brilliant Earth · As of October 21, 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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG742528423 or 742528423. Listed at 22 retailers as of November 4, 2026, with a 523% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.8°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG742528423
Dimensions5.46 × 5.46 × 3.90 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.46 mm5.46 mm1.03 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG742528423
Side View
Table 68.0%Crown 45.8°Girdle: MED-STKPavilion 37.1°Culet: NoneDepth 71.4%

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 4
Current: €1,310 EUR|Low: €202 EUR|High: €1,354 EUR|Avg: €568 EUR|-3.3%
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
Retailer 14
November 5, 2026
Retailer 14€210 EUR
Retailer 3€261 EUR
Retailer 5€261 EUR
Retailer 2€274 EUR
Retailer 4€352 EUR
Retailer 12€435 EUR
Retailer 11€451 EUR
Retailer 6€468 EUR
Retailer 7€489 EUR
Retailer 10€640 EUR
Retailer 9€843 EUR
Retailer 13€1,034 EUR
Retailer 8€1,044 EUR
Brilliant Earth€1,310 EUR

44 data points across 14 retailers

22 retailers€210 EUR to €1,310 EUR

A
Cheapest Retailer
-
€210 EUR
A
Retailer 2
-
€244 EUR
View
Retailer 3
-
€261 EUR
View
Price last confirmed 12 days ago
A
Retailer 4
-
€261 EUR
View
A
Retailer 5
-
€274 EUR
View
A
Retailer 6
-
€352 EUR
View
Retailer 7
-
€435 EUR
View
Price last confirmed 8 days ago
A
Retailer 8
-
€451 EUR
View
A
Retailer 9
-
€468 EUR
View
A
Retailer 10
-
€489 EUR
View
B+
Retailer 11
-
€543 EUR
View
B+
Retailer 12
-
€640 EUR
View
B+
Retailer 13
-
€696 EUR
View
B+
Retailer 14
-
€839 EUR
View
B+
Retailer 15
-
€843 EUR
View
B
Retailer 16
-
€886 EUR
View
B
Retailer 17
-
€908 EUR
View
B
Retailer 18
-
€1,018 EUR
View
Retailer 19
-
€1,034 EUR
View
Price last confirmed 9 days ago
B+
Retailer 20
-
€1,044 EUR
View
B
Retailer 21
-
€1,310 EUR
View
Most Expensive
Brilliant Earth
16826813A · Oct 21
€1,310 EUR
$1,470 USD
View
Price last confirmed 15 days ago
21 more retailers have this diamond
Prices start from €210 EURSave up to €1,099 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
€210 EUR