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Round|Lab Grown|IGI

4.90ct F SI2 Round Lab Grown Diamond

ID • F/SI2 • IGI LG626469657

Shape and cutting style on the report: Round brilliant

Certificate IGI LG626469657

Diamond specifications and retailer prices

From €455 EUR
$508 USD
As of October 26, 2026
Save €2,261 EUR (83%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €2,873 EUR at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 4.9ct lab-grown round diamond

This 4.9ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG626469657 or 626469657. Listed at 7 retailers as of October 26, 2026, with a 497% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.90
Carat
F
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG626469657
Dimensions10.89 × 10.82 × 6.72 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
10.89 mm10.82 mm4.90 ctF / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG626469657
Side View
Table 60.0%Crown 34.3°Girdle: MediumPavilion 41.5°Culet: NoneDepth 61.9%

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 26
Current: €2,873 EUR|Low: €455 EUR|High: €5,424 EUR|Avg: €2,058 EUR|-7.3%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 8€455 EUR
Retailer 7€509 EUR
Retailer 6€875 EUR
Retailer 9€1,065 EUR
Retailer 10€1,172 EUR
Retailer 4€1,455 EUR
Retailer 5€1,636 EUR
Retailer 11€2,704 EUR
Retailer 2€2,716 EUR
Rare Carat€2,873 EUR
Retailer 3€5,424 EUR

16 data points across 11 retailers

7 retailers€455 EUR to €2,716 EUR

A
Cheapest Retailer
-
€455 EUR
$508 USD
Retailer 2
-
€509 EUR
$569 USD
View
Price last confirmed 7 days ago
B+
Retailer 3
-
€875 EUR
$977 USD
View
B+
Retailer 4
-
€1,455 EUR
$1,625 USD
View
B+
Retailer 5
-
€1,636 EUR
$1,828 USD
View
B
Retailer 6
-
€2,716 EUR
£2,389 GBP
View
Most Expensive
Rare Carat
LGDRD400-02817 · Oct 21
€2,873 EUR
$3,210 USD
View
Price last confirmed 10 days ago
6 more retailers have this diamond
Prices start from €455 EURSave up to €2,261 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
4.90ct Round
€455 EUR