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Round|Lab Grown|IGI

6.57ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG790606735

Shape and cutting style on the report: Round brilliant

Certificate IGI LG790606735

Diamond specifications and retailer prices

From €8,481 EUR
$9,475 USD
As of October 29, 2026
Save €44,437 EUR (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €52,918 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 6.57ct lab-grown round diamond

This 6.57ct lab-grown round sits in the over five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790606735 or 790606735. Listed at 12 retailers as of October 29, 2026, with prices from €8,481 to €52,918, a €44,437 spread on the same certified stone. Do Amore Diamonds lists it at €52,918. 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

6.57
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790606735
Dimensions12.22 × 12.15 × 7.28 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
12.22 mm12.15 mm6.57 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790606735
Side View
Table 59.0%Crown 33°Girdle: MediumPavilion 40.8°Culet: NoneDepth 59.8%

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: Oct 29
Current: €52,918 EUR|Low: €8,481 EUR|High: €55,494 EUR|Avg: €24,514 EUR|+2.7%
Do Amore Diamonds
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
October 30, 2026
Retailer 13€8,481 EUR
Retailer 10€8,820 EUR
Retailer 14€10,176 EUR
Retailer 15€10,437 EUR
Retailer 12€10,506 EUR
Retailer 9€10,508 EUR
Retailer 11€10,769 EUR
Retailer 8€17,148 EUR
Retailer 2€18,528 EUR
Retailer 7€22,874 EUR
Retailer 3€24,981 EUR
Retailer 4€26,670 EUR
Retailer 5€40,537 EUR
Do Amore Diamonds€52,918 EUR
Retailer 6€55,494 EUR

23 data points across 15 retailers

12 retailers€8,481 EUR to €52,918 EUR

A
Cheapest Retailer
-
€8,481 EUR
$9,475 USD
A
Retailer 2
-
€8,820 EUR
$9,854 USD
View
A
Retailer 3
-
€10,176 EUR
$11,369 USD
View
Retailer 4
-
€10,437 EUR
$11,660 USD
View
Price last confirmed 10 days ago
A
Retailer 5
-
€10,506 EUR
$11,737 USD
View
A
Retailer 6
-
€10,508 EUR
$11,740 USD
View
A
Retailer 7
-
€10,769 EUR
$12,031 USD
View
A
Retailer 8
-
€17,148 EUR
£15,085 GBP
View
B+
Retailer 9
-
€18,528 EUR
$20,700 USD
View
B+
Retailer 10
-
€24,981 EUR
$27,909 USD
View
Retailer 11
-
€28,938 EUR
$32,330 USD
View
Price last confirmed 40 days ago
Most Expensive
B
Do Amore Diamonds
27-E58002C46 · Oct 31
€52,918 EUR
$59,120 USD
View
11 more retailers have this diamond
Prices start from €8,481 EURSave up to €44,437 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
6.57ct Round
€8,481 EUR