Round|Lab Grown|IGI

4.09ct H SI1 Round Lab Grown Diamond

ID • H/SI1 • IGI LG655442229

Shape and cutting style on the report: Round brilliant

Certificate IGI LG655442229

Diamond specifications and retailer prices

From €518 EUR
$579 USD
As of October 29, 2026
Save €1,171 EUR (69%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €1,689 EUR at NZ Jewellers · As of October 31, 2026
View at NZ Jewellers

About this 4.09ct lab-grown round diamond

This 4.09ct lab-grown round sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG655442229 or 655442229. Listed at 12 retailers as of October 29, 2026, with prices from €518 to €1,689, a €1,171 spread on the same certified stone. NZ Jewellers lists it at €1,689. 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

4.09
Carat
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG655442229
Dimensions10.38 × 10.32 × 6.30 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.38 mm10.32 mm4.09 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG655442229
Side View
Table 57.0%Crown 34.3°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.9%

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: Oct 29
Current: €1,689 EUR|Low: €518 EUR|High: €4,484 EUR|Avg: €1,597 EUR
NZ Jewellers
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
October 31, 2026
Retailer 10€518 EUR
Retailer 2€580 EUR
Retailer 14€643 EUR
Retailer 15€710 EUR
Retailer 11€761 EUR
Retailer 9€896 EUR
Retailer 13€934 EUR
Retailer 12€974 EUR
Retailer 4€988 EUR
Retailer 3€1,429 EUR
Retailer 8€1,594 EUR
NZ Jewellers€1,689 EUR
Retailer 5€1,844 EUR
Retailer 6€4,244 EUR
Retailer 7€4,484 EUR

4 data points across 15 retailers

12 retailers€518 EUR to €1,689 EUR

A
Cheapest Retailer
-
€518 EUR
$579 USD
A
Retailer 2
-
€580 EUR
$648 USD
View
A
Retailer 3
-
€643 EUR
$718 USD
View
A
Retailer 4
-
€710 EUR
HK$6,200 HKD
View
A
Retailer 5
-
€761 EUR
$850 USD
View
A
Retailer 6
-
€896 EUR
£789 GBP
View
A
Retailer 7
-
€934 EUR
$1,044 USD
View
A
Retailer 8
-
€974 EUR
View
B+
Retailer 9
-
€988 EUR
$1,104 USD
View
B+
Retailer 10
-
€1,429 EUR
$1,596 USD
View
B+
Retailer 11
-
€1,594 EUR
$1,781 USD
View
Most Expensive
B+
NZ Jewellers
906ea54f-8952-4ac0-8c3f-bcb648bddadf · Oct 31
€1,689 EUR
$1,887 USD
View
11 more retailers have this diamond
Prices start from €518 EURSave up to €1,171 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
4.09ct Round
€518 EUR