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Round|Lab Grown|IGI

6.56ct F SI2 Round Lab Grown Diamond

EX • F/SI2 • IGI LG627416551

Shape and cutting style on the report: Round brilliant

Certificate IGI LG627416551

Diamond specifications and retailer prices

From €533 EUR
$596 USD
As of October 26, 2026
Save €3,960 EUR (88%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €4,493 EUR at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 6.56ct lab-grown round diamond

This 6.56ct lab-grown round sits in the over five carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG627416551 or 627416551. Listed at 14 retailers as of October 26, 2026, with prices from €533 to €4,493, a €3,960 spread on the same certified stone. Rare Carat lists it at €4,493. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

6.56
Carat
F
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627416551
Dimensions12.03 × 12.07 × 7.24 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
12.03 mm12.07 mm6.56 ctF / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627416551
Side View
Table 61.0%Crown 33.9°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.1%

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 26
Current: €4,493 EUR|Low: €429 EUR|High: €4,742 EUR|Avg: €1,751 EUR|-5.2%
Rare Carat
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 10€533 EUR
Retailer 13€598 EUR
Retailer 11€700 EUR
Retailer 4€980 EUR
Retailer 3€1,031 EUR
Retailer 7€1,111 EUR
Retailer 6€1,141 EUR
Retailer 9€1,482 EUR
Retailer 8€1,497 EUR
Retailer 5€1,740 EUR
Retailer 14€2,363 EUR
Retailer 2€2,873 EUR
Retailer 12€3,437 EUR
Rare Carat€4,493 EUR

30 data points across 14 retailers

14 retailers€533 EUR to €4,493 EUR

A
Cheapest Retailer
-
€533 EUR
$596 USD
Retailer 2
-
€598 EUR
$668 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
€700 EUR
$782 USD
View
Final sale: no returns
B+
Retailer 4
-
€980 EUR
$1,095 USD
View
A
Retailer 5
-
€1,031 EUR
$1,152 USD
View
A
Retailer 6
-
€1,111 EUR
View
B+
Retailer 7
-
€1,482 EUR
A$2,548 AUD
View
B+
Retailer 8
-
€1,497 EUR
$1,673 USD
View
B+
Retailer 9
-
€1,740 EUR
$1,944 USD
View
B
Retailer 10
-
€2,363 EUR
$2,640 USD
View
B
Retailer 11
-
€2,873 EUR
£2,527 GBP
View
B
Retailer 12
-
€3,437 EUR
$3,840 USD
View
Retailer 13
-
€3,437 EUR
$3,840 USD
View
Price last confirmed 17 days ago
Most Expensive
B
Rare Carat
L25550 · Nov 1
€4,493 EUR
$5,020 USD
View
13 more retailers have this diamond
Prices start from €533 EURSave up to €3,960 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
6.56ct Round
€533 EUR