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Round|Lab Grown|IGI

4.35ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG644404717

Shape and cutting style on the report: Round brilliant

Certificate IGI LG644404717

Diamond specifications and retailer prices

From €472 EUR
$527 USD
As of October 29, 2026
Save €1,981 EUR (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €2,453 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 4.35ct lab-grown round diamond

This 4.35ct lab-grown round sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG644404717 or 644404717. Listed at 13 retailers as of October 29, 2026, with prices from €472 to €2,453, a €1,981 spread on the same certified stone. MOH London lists it at €2,453. 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

4.35
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG644404717
Dimensions10.59 × 10.56 × 6.39 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
10.59 mm10.56 mm4.35 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG644404717
Side View
Table 58.0%Crown 33.9°Girdle: MediumPavilion 40.6°Culet: NoneDepth 60.4%

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 29
Current: €2,453 EUR|Low: €377 EUR|High: €2,470 EUR|Avg: €1,086 EUR|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 3€377 EUR
Retailer 8€472 EUR
Retailer 9€584 EUR
Retailer 12€584 EUR
Retailer 5€707 EUR
Retailer 2€904 EUR
Retailer 10€905 EUR
Retailer 11€950 EUR
Retailer 4€1,489 EUR
Retailer 7€1,508 EUR
Retailer 6€1,942 EUR
MOH London€2,453 EUR

40 data points across 12 retailers

13 retailers€472 EUR to €2,453 EUR

A
Cheapest Retailer
-
€472 EUR
$527 USD
A
Retailer 2
-
€528 EUR
$590 USD
View
A
Retailer 3
-
€584 EUR
$653 USD
View
Retailer 4
-
€584 EUR
$653 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
€707 EUR
$790 USD
View
A
Retailer 6
-
€904 EUR
£795 GBP
View
B+
Retailer 7
-
€905 EUR
$1,011 USD
View
A
Retailer 8
-
€950 EUR
$1,061 USD
View
B+
Retailer 9
-
€1,489 EUR
$1,663 USD
View
B+
Retailer 10
-
€1,508 EUR
$1,685 USD
View
B+
Retailer 11
-
€1,538 EUR
$1,718 USD
View
Retailer 12
-
€1,942 EUR
$2,170 USD
View
Price last confirmed 10 days ago
Most Expensive
B
MOH London
LG644404717 · Oct 29
€2,453 EUR
£2,158 GBP
View
12 more retailers have this diamond
Prices start from €472 EURSave up to €1,981 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
4.35ct Round
€472 EUR