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Round|Lab Grown|IGI

5.05ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG578312998

Shape and cutting style on the report: Round brilliant

Certificate IGI LG578312998

Diamond specifications and retailer prices

From €5,949 EUR
$6,646 USD
As of November 1, 2026
Save €16,698 EUR (74%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €22,647 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 5.05ct lab-grown round diamond

This 5.05ct lab-grown round sits in the over five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG578312998 or 578312998. Listed at 22 retailers as of October 31, 2026, with prices from €5,949 to €22,647, a €16,698 spread on the same certified stone. Taylor and Hart lists it at €22,647. 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

5.05
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG578312998
Dimensions11.06 × 11.09 × 6.67 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
11.06 mm11.09 mm5.05 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG578312998
Side View
Table 59.0%Crown 34°Girdle: MediumPavilion 40.6°Culet: NoneDepth 60.2%

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: Nov 1
Current: €8,166 EUR|Low: €4,508 EUR|High: €19,430 EUR|Avg: €11,069 EUR|+2.3%
Retailer 1
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
November 1, 2026
Retailer 3€5,949 EUR
Retailer 4€6,312 EUR
Retailer 11€7,583 EUR
Retailer 14€7,775 EUR
Retailer 10€7,778 EUR
Retailer 5€7,965 EUR
Retailer 1€8,166 EUR
Retailer 7€10,783 EUR
Retailer 13€12,281 EUR
Retailer 9€13,141 EUR
Retailer 8€13,284 EUR
Retailer 12€13,713 EUR
Retailer 2€19,280 EUR
Retailer 6€19,430 EUR

43 data points across 14 retailers

22 retailers€5,949 EUR to €22,647 EUR

Retailer 1
-
€5,636 EUR
$6,297 USD
Price last confirmed 21 days ago
Retailer 2
-
€5,862 EUR
$6,549 USD
View
Price last confirmed 18 days ago
A
Retailer 3
-
€5,949 EUR
$6,646 USD
View
A
Retailer 4
-
€6,312 EUR
$7,052 USD
View
Final sale: no returns
Retailer 5
-
€6,539 EUR
$7,305 USD
View
Price last confirmed 15 days ago
Retailer 6
-
€6,539 EUR
$7,305 USD
View
Price last confirmed 15 days ago
Retailer 7
-
€7,583 EUR
$8,472 USD
View
Price last confirmed 9 days ago
Retailer 8
-
€7,761 EUR
$8,671 USD
View
Price last confirmed 24 days ago
A
Retailer 9
-
€7,775 EUR
$8,686 USD
View
A
Retailer 10
-
€7,778 EUR
$8,690 USD
View
A
Retailer 11
-
€7,965 EUR
$8,898 USD
View
A
Retailer 12
-
€8,166 EUR
£7,184 GBP
View
A
Retailer 13
-
€10,783 EUR
View
A
Retailer 14
-
€12,281 EUR
$13,720 USD
View
A
Retailer 15
-
€13,141 EUR
£11,560 GBP
View
A
Retailer 16
-
€13,284 EUR
ZAR 239,752 ZAR
View
Retailer 17
-
€13,713 EUR
A$23,569 AUD
View
Price last confirmed 9 days ago
B+
Retailer 18
-
€15,812 EUR
$17,665 USD
View
B+
Retailer 19
-
€18,194 EUR
$20,326 USD
View
B+
Retailer 20
-
€19,280 EUR
$21,540 USD
View
B+
Retailer 21
-
€19,430 EUR
$21,708 USD
View
Most Expensive
B
Taylor and Hart
AVK999A · Oct 31
€22,647 EUR
$25,302 USD
View
21 more retailers have this diamond
Prices start from €5,949 EURSave up to €16,698 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
5.05ct Round
€5,949 EUR