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Round|Lab Grown|IGI

4.55ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG634438987

Shape and cutting style on the report: Round brilliant

Certificate IGI LG634438987

Diamond specifications and retailer prices

From €3,588 EUR
$4,024 USD
As of November 2, 2026
Save €5,506 EUR (61%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €9,094 EUR at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 4.55ct lab-grown round diamond

This 4.55ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG634438987 or 634438987. Listed at 3 retailers as of November 2, 2026, with prices from €3,588 to €9,094, a €5,506 spread on the same certified stone. Brilliant Earth lists it at €9,094. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.55
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG634438987
Dimensions10.65 × 10.63 × 6.51 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.65 mm10.63 mm4.55 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG634438987
Side View
Table 58.0%Crown 34.2°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: €9,094 EUR|Low: €3,588 EUR|High: €14,371 EUR|Avg: €8,866 EUR|-13.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 2€3,588 EUR
Retailer 3€5,840 EUR
Brilliant Earth€9,094 EUR
Retailer 4€10,276 EUR
Retailer 5€14,371 EUR

9 data points across 5 retailers

3 retailers€3,588 EUR to €9,094 EUR

A
Cheapest Retailer
-
€3,588 EUR
$4,024 USD
Retailer 2
-
€5,840 EUR
$6,550 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
21409053Y · Nov 2
€9,094 EUR
$10,200 USD
View
2 more retailers have this diamond
Prices start from €3,588 EURSave up to €5,506 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
4.55ct Round
€3,588 EUR