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Round|Lab Grown|IGI

5.05ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG578312998

Shape and cutting style on the report: Round brilliant

Certificate IGI LG578312998

Diamond specifications and retailer prices

From $9,302 CAD
$6,646 USD
As of October 29, 2026
Save $26,110 CAD (74%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $35,412 CAD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 5.05ct lab-grown round diamond

This 5.05ct 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 LG578312998 or 578312998. Listed at 22 retailers as of October 29, 2026, with prices from $9,302 to $35,412, a $26,110 spread on the same certified stone. Taylor and Hart lists it at $35,412. 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

5.05
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG578312998
Dimensions11.06 × 11.09 × 6.67 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
11.06 mm11.09 mm5.05 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG578312998
Side View
Table 59.0%Crown 34°Girdle: MediumPavilion 40.6°Culet: NoneDepth 60.2%

Caratlytics Score

How it works →
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: $12,769 CAD|Low: $7,048 CAD|High: $30,382 CAD|Avg: $17,029 CAD|+2.3%
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
October 30, 2026
Retailer 3$9,302 CAD
Retailer 4$9,870 CAD
Retailer 11$11,857 CAD
Retailer 14$12,157 CAD
Retailer 10$12,163 CAD
Retailer 5$12,454 CAD
Retailer 1$12,769 CAD
Retailer 9$16,909 CAD
Retailer 13$19,203 CAD
Retailer 8$20,548 CAD
Retailer 7$20,771 CAD
Retailer 12$21,442 CAD
Retailer 2$30,147 CAD
Retailer 6$30,382 CAD

43 data points across 14 retailers

22 retailers$9,302 CAD to $35,412 CAD

Retailer 1
-
$8,813 CAD
$6,297 USD
Price last confirmed 19 days ago
Retailer 2
-
$9,166 CAD
$6,549 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
$9,302 CAD
$6,646 USD
View
A
Retailer 4
-
$9,870 CAD
$7,052 USD
View
Final sale: no returns
Retailer 5
-
$10,224 CAD
$7,305 USD
View
Price last confirmed 13 days ago
Retailer 6
-
$10,224 CAD
$7,305 USD
View
Price last confirmed 13 days ago
Retailer 7
-
$11,857 CAD
$8,472 USD
View
Price last confirmed 7 days ago
Retailer 8
-
$12,136 CAD
$8,671 USD
View
Price last confirmed 22 days ago
A
Retailer 9
-
$12,157 CAD
$8,686 USD
View
A
Retailer 10
-
$12,163 CAD
$8,690 USD
View
A
Retailer 11
-
$12,454 CAD
$8,898 USD
View
A
Retailer 12
-
$12,769 CAD
£7,184 GBP
View
A
Retailer 13
-
$16,909 CAD
€11,506 EUR
View
A
Retailer 14
-
$19,203 CAD
$13,720 USD
View
A
Retailer 15
-
$20,548 CAD
£11,560 GBP
View
A
Retailer 16
-
$20,771 CAD
ZAR 239,752 ZAR
View
Retailer 17
-
$21,442 CAD
A$23,569 AUD
View
Price last confirmed 7 days ago
B+
Retailer 18
-
$24,724 CAD
$17,665 USD
View
B+
Retailer 19
-
$28,448 CAD
$20,326 USD
View
B+
Retailer 20
-
$30,147 CAD
$21,540 USD
View
B+
Retailer 21
-
$30,382 CAD
$21,708 USD
View
Most Expensive
B
Taylor and Hart
AVK999A · Oct 30
$35,412 CAD
$25,302 USD
View
21 more retailers have this diamond
Prices start from $9,302 CADSave up to $26,110 CAD

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
5.05ct Round
$9,302 CAD