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Round|Lab Grown|IGI

6.09ct G IF Round Lab Grown Diamond

ID • G/IF • IGI LG634426116

Shape and cutting style on the report: Round brilliant

Certificate IGI LG634426116

Diamond specifications and retailer prices

From €6,408 EUR
$7,159 USD
As of October 29, 2026
Save €21,080 EUR (77%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €27,488 EUR at Michael Trio · As of October 31, 2026
View at Michael Trio

About this 6.09ct lab-grown round diamond

This 6.09ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG634426116 or 634426116. Listed at 22 retailers as of October 29, 2026, with prices from €6,408 to €27,488, a €21,080 spread on the same certified stone. Michael Trio lists it at €27,488. 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
G
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG634426116
Dimensions11.75 × 11.67 × 7.25 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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
11.75 mm11.67 mm6.09 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG634426116
Side View
Table 55.0%Crown 35°Girdle: MediumPavilion 40.7°Culet: NoneDepth 62.0%

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: €27,488 EUR|Low: €6,408 EUR|High: €28,795 EUR|Avg: €11,894 EUR
Michael Trio
Retailer 2
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Retailer 22
October 31, 2026
Retailer 22€6,408 EUR
Retailer 21€6,664 EUR
Retailer 10€6,671 EUR
Retailer 5€6,712 EUR
Retailer 6€7,433 EUR
Retailer 15€7,767 EUR
Retailer 19€7,769 EUR
Retailer 11€8,077 EUR
Retailer 7€8,404 EUR
Retailer 4€8,454 EUR
Retailer 8€8,664 EUR
Retailer 3€8,824 EUR
Retailer 13€9,104 EUR
Retailer 2€12,400 EUR
Retailer 9€13,577 EUR
Retailer 16€13,758 EUR
Retailer 20€14,201 EUR
Retailer 17€14,383 EUR
Retailer 18€14,673 EUR
Retailer 14€20,387 EUR
Retailer 12€25,200 EUR
Michael Trio€27,488 EUR

33 data points across 22 retailers

22 retailers€6,408 EUR to €27,488 EUR

A
Cheapest Retailer
-
€6,408 EUR
$7,159 USD
A
Retailer 2
-
€6,664 EUR
$7,445 USD
View
A
Retailer 3
-
€6,671 EUR
$7,453 USD
View
Retailer 4
-
€6,712 EUR
£5,905 GBP
View
Price last confirmed 14 days ago
A
Retailer 5
-
€7,433 EUR
$8,304 USD
View
A
Retailer 6
-
€7,767 EUR
$8,677 USD
View
A
Retailer 7
-
€7,769 EUR
$8,680 USD
View
B+
Retailer 8
-
€8,077 EUR
HK$70,500 HKD
View
B+
Retailer 9
-
€8,404 EUR
$9,389 USD
View
Retailer 10
-
€8,454 EUR
$9,445 USD
View
Price last confirmed 10 days ago
B+
Retailer 11
-
€8,664 EUR
$9,680 USD
View
Final sale: no returns
B+
Retailer 12
-
€8,824 EUR
$9,858 USD
View
B+
Retailer 13
-
€9,104 EUR
£8,009 GBP
View
B+
Retailer 14
-
€12,400 EUR
View
B+
Retailer 15
-
€13,577 EUR
$15,168 USD
View
B+
Retailer 16
-
€13,758 EUR
$15,370 USD
View
Retailer 17
-
€14,201 EUR
A$24,408 AUD
View
Price last confirmed 9 days ago
B+
Retailer 18
-
€14,383 EUR
ZAR 259,592 ZAR
View
B+
Retailer 19
-
€14,673 EUR
£12,908 GBP
View
B
Retailer 20
-
€20,387 EUR
$22,777 USD
View
B
Retailer 21
-
€25,200 EUR
$28,154 USD
View
Most Expensive
B
Michael Trio
1363700869 · Oct 31
€27,488 EUR
SGD 41,500 SGD
View
21 more retailers have this diamond
Prices start from €6,408 EURSave up to €21,080 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
€6,408 EUR