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 $10,969 USD
As of October 30, 2026
Save $26,596 USD (71%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $37,565 USD at Taylor and Hart · As of October 30, 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 30, 2026, with prices from $10,969 to $37,565, a $26,596 spread on the same certified stone. Taylor and Hart lists it at $37,565. 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: Oct 30
Current: $14,774 USD|Low: $10,969 USD|High: $37,565 USD|Avg: $20,526 USD|+1.3%
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
Retailer 17
Taylor and Hart
October 31, 2026
Retailer 6$10,969 USD
Retailer 2$11,780 USD
Retailer 7$12,039 USD
Retailer 4$12,087 USD
Retailer 16$12,310 USD
Retailer 10$12,418 USD
Retailer 9$12,469 USD
Retailer 1$14,774 USD
Retailer 5$17,748 USD
Retailer 13$19,691 USD
Retailer 11$20,100 USD
Retailer 14$20,919 USD
Retailer 3$21,641 USD
Retailer 17$23,594 USD
Retailer 12$24,129 USD
Retailer 8$34,423 USD
Retailer 15$34,744 USD
Taylor and Hart$37,565 USD

41 data points across 18 retailers

26 retailers$10,969 USD to $37,565 USD

Retailer 1
-
$10,749 USD
Price last confirmed 20 days ago
Retailer 2
-
$10,749 USD
View
Price last confirmed 37 days ago
A
Retailer 3
-
$10,969 USD
View
Retailer 4
-
$11,179 USD
View
Price last confirmed 37 days ago
Retailer 5
-
$11,686 USD
View
Price last confirmed 40 days ago
Retailer 6
-
$11,686 USD
View
Price last confirmed 23 days ago
Retailer 7
-
$11,780 USD
View
Price last confirmed 13 days ago
A
Retailer 8
-
$12,039 USD
View
Final sale: no returns
A
Retailer 9
-
$12,087 USD
View
Retailer 10
-
$12,297 USD
View
Price last confirmed 36 days ago
A
Retailer 11
-
$12,310 USD
View
A
Retailer 12
-
$12,418 USD
View
Retailer 13
-
$12,469 USD
View
Price last confirmed 20 days ago
Retailer 14
-
$12,469 USD
View
Price last confirmed 28 days ago
A
Retailer 15
-
$14,774 USD
£11,633 GBP
View
A
Retailer 16
-
$17,748 USD
View
B+
Retailer 17
-
$19,691 USD
£15,505 GBP
View
B+
Retailer 18
-
$20,100 USD
View
B+
Retailer 19
-
$20,919 USD
€19,923 EUR
View
B+
Retailer 20
-
$21,641 USD
View
B+
Retailer 21
-
$22,807 USD
View
Retailer 22
-
$23,594 USD
A$36,298 AUD
View
Price last confirmed 8 days ago
B+
Retailer 23
-
$24,129 USD
ZAR 389,798 ZAR
View
B
Retailer 24
-
$34,423 USD
View
B
Retailer 25
-
$34,744 USD
View
Most Expensive
B
Taylor and Hart
RZPOHI2 · Oct 30
$37,565 USD
View
25 more retailers have this diamond
Prices start from $10,969 USDSave up to $26,596 USD

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
$10,969 USD