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Round|Lab Grown|IGI

6.45ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG809602806

Shape and cutting style on the report: Round brilliant

Certificate IGI LG809602806

Diamond specifications and retailer prices

From €9,818 EUR
$10,969 USD
As of November 1, 2026
Save €23,806 EUR (71%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: €33,624 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 6.45ct lab-grown round diamond

This 6.45ct 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 LG809602806 or 809602806. Listed at 26 retailers as of October 31, 2026, with prices from €9,818 to €33,624, a €23,806 spread on the same certified stone. Taylor and Hart lists it at €33,624. 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

6.45
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809602806
Dimensions12.10 × 12.01 × 7.20 mm
L/W Ratio1.01
Girdle conditionFaceted
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
12.10 mm12.01 mm6.45 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG809602806
Side View
Table 59.0%Crown 34.6°Girdle: THN-MEDPavilion 40.4°Culet: NoneDepth 59.6%

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 1
Current: €31,099 EUR|Low: €9,818 EUR|High: €33,624 EUR|Avg: €18,888 EUR
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
Taylor and Hart
November 1, 2026
Retailer 6€9,818 EUR
Retailer 2€10,544 EUR
Retailer 7€10,776 EUR
Retailer 4€10,819 EUR
Retailer 15€11,019 EUR
Retailer 10€11,115 EUR
Retailer 9€13,224 EUR
Retailer 5€15,886 EUR
Retailer 13€17,626 EUR
Retailer 11€17,991 EUR
Retailer 14€18,725 EUR
Retailer 3€19,371 EUR
Retailer 16€21,118 EUR
Retailer 12€21,597 EUR
Retailer 8€30,812 EUR
Retailer 1€31,099 EUR
Taylor and Hart€33,624 EUR

40 data points across 17 retailers

26 retailers€9,818 EUR to €33,624 EUR

Retailer 1
-
€9,621 EUR
$10,749 USD
Price last confirmed 21 days ago
Retailer 2
-
€9,621 EUR
$10,749 USD
View
Price last confirmed 38 days ago
A
Retailer 3
-
€9,818 EUR
$10,969 USD
View
Retailer 4
-
€10,006 EUR
$11,179 USD
View
Price last confirmed 38 days ago
Retailer 5
-
€10,460 EUR
$11,686 USD
View
Price last confirmed 40 days ago
Retailer 6
-
€10,460 EUR
$11,686 USD
View
Price last confirmed 24 days ago
Retailer 7
-
€10,544 EUR
$11,780 USD
View
Price last confirmed 14 days ago
A
Retailer 8
-
€10,776 EUR
$12,039 USD
View
Final sale: no returns
A
Retailer 9
-
€10,819 EUR
$12,087 USD
View
Retailer 10
-
€11,007 EUR
$12,297 USD
View
Price last confirmed 36 days ago
A
Retailer 11
-
€11,019 EUR
$12,310 USD
View
A
Retailer 12
-
€11,115 EUR
$12,418 USD
View
Retailer 13
-
€11,161 EUR
$12,469 USD
View
Price last confirmed 21 days ago
Retailer 14
-
€11,161 EUR
$12,469 USD
View
Price last confirmed 29 days ago
A
Retailer 15
-
€13,224 EUR
£11,633 GBP
View
A
Retailer 16
-
€15,886 EUR
$17,748 USD
View
B+
Retailer 17
-
€17,626 EUR
£15,505 GBP
View
B+
Retailer 18
-
€17,991 EUR
$20,100 USD
View
B+
Retailer 19
-
€18,725 EUR
View
B+
Retailer 20
-
€19,371 EUR
$21,641 USD
View
B+
Retailer 21
-
€20,414 EUR
$22,807 USD
View
Retailer 22
-
€21,118 EUR
A$36,298 AUD
View
Price last confirmed 9 days ago
B+
Retailer 23
-
€21,597 EUR
ZAR 389,798 ZAR
View
B
Retailer 24
-
€30,812 EUR
$34,423 USD
View
B
Retailer 25
-
€31,099 EUR
$34,744 USD
View
Most Expensive
B
Taylor and Hart
RZPOHI2 · Oct 31
€33,624 EUR
$37,565 USD
View
25 more retailers have this diamond
Prices start from €9,818 EURSave up to €23,806 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
6.45ct Round
€9,818 EUR