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Round|Lab Grown|IGI

6.09ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG621407755

Shape and cutting style on the report: Round brilliant

Certificate IGI LG621407755

Diamond specifications and retailer prices

From €11,340 EUR
$12,669 USD
As of October 31, 2026
Save €39,618 EUR (78%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €50,957 EUR at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 6.09ct lab-grown round diamond

This 6.09ct 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 LG621407755 or 621407755. Listed at 23 retailers as of October 30, 2026, with prices from €11,340 to €50,957, a €39,618 spread on the same certified stone. Do Amore Diamonds lists it at €50,957. 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

6.09
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621407755
Dimensions11.68 × 11.70 × 7.18 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
11.68 mm11.70 mm6.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621407755
Side View
Table 58.0%Crown 34.8°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.4%

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 31
Current: €16,388 EUR|Low: €10,920 EUR|High: €126,768 EUR|Avg: €27,231 EUR|+1.3%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 1, 2026
Retailer 6€11,345 EUR
Retailer 17€11,375 EUR
Retailer 7€11,648 EUR
Retailer 16€12,451 EUR
Retailer 9€12,739 EUR
Retailer 3€13,067 EUR
Retailer 2€13,195 EUR
Retailer 8€13,649 EUR
Retailer 15€13,787 EUR
Retailer 1€16,388 EUR
Retailer 13€23,000 EUR
Retailer 18€23,899 EUR
Retailer 11€24,133 EUR
Retailer 14€27,435 EUR
Retailer 12€28,184 EUR
Retailer 4€42,408 EUR
Retailer 10€44,060 EUR
Retailer 5€126,768 EUR

44 data points across 18 retailers

23 retailers€11,340 EUR to €50,957 EUR

A
Cheapest Retailer
-
€11,340 EUR
$12,669 USD
A
Retailer 2
-
€11,345 EUR
$12,675 USD
View
A
Retailer 3
-
€11,375 EUR
$12,708 USD
View
A
Retailer 4
-
€11,648 EUR
$13,013 USD
View
A
Retailer 5
-
€12,451 EUR
$13,910 USD
View
A
Retailer 6
-
€12,739 EUR
$14,232 USD
View
Final sale: no returns
A
Retailer 7
-
€13,067 EUR
$14,598 USD
View
A
Retailer 8
-
€13,195 EUR
$14,741 USD
View
Retailer 9
-
€13,195 EUR
$14,741 USD
View
Price last confirmed 15 days ago
A
Retailer 10
-
€13,649 EUR
$15,249 USD
View
A
Retailer 11
-
€13,787 EUR
$15,403 USD
View
A
Retailer 12
-
€16,388 EUR
£14,416 GBP
View
B+
Retailer 13
-
€23,000 EUR
£20,233 GBP
View
B+
Retailer 14
-
€23,899 EUR
$26,700 USD
View
B+
Retailer 15
-
€24,133 EUR
$26,961 USD
View
Retailer 16
-
€27,435 EUR
A$47,154 AUD
View
Price last confirmed 9 days ago
B+
Retailer 17
-
€28,184 EUR
ZAR 508,672 ZAR
View
B
Retailer 18
-
€36,310 EUR
$40,565 USD
View
B
Retailer 19
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€37,891 EUR
$42,332 USD
View
B
Retailer 20
-
€42,408 EUR
$47,379 USD
View
B
Retailer 21
-
€44,060 EUR
$49,224 USD
View
Most Expensive
B
Do Amore Diamonds
27-D8B355AB8 · Oct 30
€50,957 EUR
$56,930 USD
View
21 more retailers have this diamond
Prices start from €11,340 EURSave up to €39,618 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
6.09ct Round
€11,340 EUR