CaratHunter
Plans
Round|Lab Grown|IGI

3.05ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG735588309

Shape and cutting style on the report: Round brilliant

Certificate IGI LG735588309

Diamond specifications and retailer prices

From €329 EUR
As of November 5, 2026
Save €1,560 EUR (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,889 EUR at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 3.05ct lab-grown round diamond

This 3.05ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG735588309 or 735588309. Listed at 18 retailers as of November 5, 2026, with prices from €329 to €1,889, a €1,560 spread on the same certified stone. Brilliant Earth lists it at €1,889. 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

3.05
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735588309
Dimensions9.33 × 9.37 × 5.68 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.33 mm9.37 mm3.05 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735588309
Side View
Table 60.0%Crown 33.3°Girdle: MediumPavilion 41.2°Culet: NoneDepth 60.7%

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: Nov 5
Current: €1,889 EUR|Low: €319 EUR|High: €1,889 EUR|Avg: €851 EUR
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
Retailer 15
Retailer 16
Retailer 17
November 6, 2026
Retailer 6€329 EUR
Retailer 9€372 EUR
Retailer 16€381 EUR
Retailer 3€408 EUR
Retailer 5€408 EUR
Retailer 14€543 EUR
Retailer 8€548 EUR
Retailer 2€651 EUR
Retailer 10€727 EUR
Retailer 4€756 EUR
Retailer 17€849 EUR
Retailer 15€1,006 EUR
Retailer 13€1,196 EUR
Retailer 7€1,311 EUR
Retailer 12€1,532 EUR
Retailer 11€1,589 EUR
Brilliant Earth€1,889 EUR

44 data points across 17 retailers

18 retailers€329 EUR to €1,889 EUR

A
Cheapest Retailer
-
€329 EUR
A
Retailer 2
-
€372 EUR
View
Final sale: no returns
A
Retailer 3
-
€381 EUR
View
A
Retailer 4
-
€408 EUR
View
Retailer 5
-
€408 EUR
View
Price last confirmed 12 days ago
A
Retailer 6
-
€543 EUR
View
B+
Retailer 7
-
€548 EUR
View
A
Retailer 8
-
€651 EUR
View
A
Retailer 9
-
€727 EUR
View
A
Retailer 10
-
€756 EUR
View
B+
Retailer 11
-
€849 EUR
View
B+
Retailer 12
-
€1,006 EUR
View
B+
Retailer 13
-
€1,035 EUR
View
B+
Retailer 14
-
€1,196 EUR
View
B
Retailer 15
-
€1,311 EUR
View
B
Retailer 16
-
€1,532 EUR
View
B
Retailer 17
-
€1,589 EUR
View
Most Expensive
B
Brilliant Earth
15923330A · Nov 5
€1,889 EUR
$2,120 USD
View
17 more retailers have this diamond
Prices start from €329 EURSave up to €1,560 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
3.05ct Round
€329 EUR