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Round|Lab Grown|IGI

6.31ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG634473125

Shape and cutting style on the report: Round brilliant

Certificate IGI LG634473125

Diamond specifications and retailer prices

From €8,983 EUR
As of November 5, 2026
Save €34,028 EUR (79%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €43,012 EUR at Michael Trio · As of November 6, 2026
View at Michael Trio

About this 6.31ct lab-grown round diamond

This 6.31ct 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 LG634473125 or 634473125. Listed at 24 retailers as of November 5, 2026, with prices from €8,983 to €43,012, a €34,028 spread on the same certified stone. Michael Trio lists it at €43,012. 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

6.31
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG634473125
Dimensions11.83 × 11.80 × 7.34 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
11.83 mm11.80 mm6.31 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG634473125
Side View
Table 56.0%Crown 35.4°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.2%

Caratlytics Score

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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 5
Current: €43,012 EUR|Low: €8,983 EUR|High: €43,012 EUR|Avg: €15,390 EUR
Michael Trio
Retailer 2
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Retailer 18
November 6, 2026
Retailer 6€8,983 EUR
Retailer 5€9,343 EUR
Retailer 15€9,502 EUR
Retailer 12€10,061 EUR
Retailer 8€10,180 EUR
Retailer 2€10,421 EUR
Retailer 16€10,424 EUR
Retailer 7€10,780 EUR
Retailer 10€11,123 EUR
Retailer 9€11,229 EUR
Retailer 14€13,509 EUR
Retailer 4€15,128 EUR
Retailer 13€17,610 EUR
Retailer 11€19,371 EUR
Retailer 18€21,712 EUR
Retailer 17€22,325 EUR
Retailer 3€22,333 EUR
Michael Trio€43,012 EUR

31 data points across 18 retailers

24 retailers€8,983 EUR to €43,012 EUR

A
Cheapest Retailer
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€8,983 EUR
A
Retailer 2
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€9,126 EUR
View
A
Retailer 3
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€9,343 EUR
View
A
Retailer 4
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€9,502 EUR
View
A
Retailer 5
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€10,061 EUR
View
Final sale: no returns
A
Retailer 6
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€10,421 EUR
View
A
Retailer 7
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€10,421 EUR
View
A
Retailer 8
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€10,424 EUR
View
A
Retailer 9
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€10,780 EUR
View
A
Retailer 10
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€11,123 EUR
View
A
Retailer 11
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€11,229 EUR
View
A
Retailer 12
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€11,450 EUR
View
A
Retailer 13
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€13,509 EUR
View
A
Retailer 14
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€15,128 EUR
View
B+
Retailer 15
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€17,610 EUR
View
B+
Retailer 16
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€19,059 EUR
View
B+
Retailer 17
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€19,371 EUR
View
B+
Retailer 18
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€21,712 EUR
View
B+
Retailer 19
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€22,325 EUR
View
B+
Retailer 20
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€22,333 EUR
View
B
Retailer 21
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€28,676 EUR
View
B
Retailer 22
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€34,196 EUR
View
B
Retailer 23
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€40,244 EUR
View
Most Expensive
B
Michael Trio
4751405420 · Nov 6
€43,012 EUR
SGD 65,238 SGD
View
23 more retailers have this diamond
Prices start from €8,983 EURSave up to €34,028 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
6.31ct Round
€8,983 EUR