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Princess|Lab Grown|IGI

2.57ct F SI1 Princess Lab Grown Diamond

GD • F/SI1 • IGI LG665401813

Shape and cutting style on the report: Princess cut

Certificate IGI LG665401813

Diamond specifications and retailer prices

From €269 EUR
$300 USD
As of October 30, 2026
Save €1,763 EUR (87%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €2,032 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 2.57ct lab-grown princess diamond

This 2.57ct lab-grown princess sits in the two to three carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG665401813 or 665401813. Listed at 12 retailers as of October 30, 2026, with prices from €269 to €2,032, a €1,763 spread on the same certified stone. Brilliant Earth lists it at €2,032. 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

2.57
Carat
F
Color
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.4°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665401813
Dimensions7.49 × 7.48 × 5.28 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.49 mm7.48 mm2.57 ctF / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665401813
Side View
Table 72.0%Crown 45.4°Girdle: MediumPavilion 38.4°Culet: NoneDepth 70.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €2,032 EUR|Low: €209 EUR|High: €2,086 EUR|Avg: €825 EUR|-2.6%
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 1, 2026
Retailer 10€269 EUR
Retailer 13€301 EUR
Retailer 3€311 EUR
Retailer 6€412 EUR
Retailer 7€543 EUR
Retailer 5€612 EUR
Retailer 4€670 EUR
Retailer 9€1,024 EUR
Retailer 8€1,025 EUR
Retailer 11€1,071 EUR
Retailer 2€1,336 EUR
Retailer 12€1,348 EUR
Brilliant Earth€2,032 EUR

39 data points across 13 retailers

12 retailers€269 EUR to €2,032 EUR

A
Cheapest Retailer
-
€269 EUR
$300 USD
B+
Retailer 2
-
€301 EUR
$336 USD
View
Final sale: no returns
B+
Retailer 3
-
€311 EUR
$348 USD
View
A
Retailer 4
-
€412 EUR
£362 GBP
View
B+
Retailer 5
-
€543 EUR
View
B+
Retailer 6
-
€670 EUR
$749 USD
View
B+
Retailer 7
-
€1,024 EUR
$1,144 USD
View
B+
Retailer 8
-
€1,025 EUR
$1,145 USD
View
B+
Retailer 9
-
€1,071 EUR
$1,197 USD
View
B+
Retailer 10
-
€1,336 EUR
£1,175 GBP
View
Retailer 11
-
€1,348 EUR
SGD 2,035 SGD
View
Price last confirmed 20 days ago
Most Expensive
B
Brilliant Earth
20810595A · Oct 31
€2,032 EUR
$2,270 USD
View
11 more retailers have this diamond
Prices start from €269 EURSave up to €1,763 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
2.57ct Princess
€269 EUR