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Round|Lab Grown|IGI

5.51ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG605326954

Shape and cutting style on the report: Round brilliant

Certificate IGI LG605326954

Diamond specifications and retailer prices

From $9,363 CAD
$6,703 USD
As of October 29, 2026
Save $49,055 CAD (84%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $58,418 CAD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 5.51ct lab-grown round diamond

This 5.51ct 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 LG605326954 or 605326954. Listed at 23 retailers as of October 29, 2026, with prices from $9,363 to $58,418, a $49,055 spread on the same certified stone. Do Amore Diamonds lists it at $58,418. 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

5.51
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605326954
Dimensions11.33 × 11.38 × 6.87 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
11.33 mm11.38 mm5.51 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605326954
Side View
Table 59.0%Crown 34.3°Girdle: MediumPavilion 40.6°Culet: NoneDepth 60.5%

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: $14,695 CAD|Low: $9,539 CAD|High: $93,342 CAD|Avg: $25,428 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 4$9,862 CAD
Retailer 5$10,487 CAD
Retailer 9$10,861 CAD
Retailer 14$12,589 CAD
Retailer 11$12,695 CAD
Retailer 1$14,695 CAD
Retailer 12$18,704 CAD
Retailer 8$23,664 CAD
Retailer 7$24,357 CAD
Retailer 10$25,027 CAD
Retailer 13$27,797 CAD
Retailer 2$34,642 CAD
Retailer 6$35,914 CAD
Retailer 3$93,342 CAD

42 data points across 14 retailers

23 retailers$9,363 CAD to $58,418 CAD

A
Cheapest Retailer
-
$9,363 CAD
$6,703 USD
A
Retailer 2
-
$9,738 CAD
$6,971 USD
View
A
Retailer 3
-
$9,862 CAD
$7,060 USD
View
A
Retailer 4
-
$10,487 CAD
$7,507 USD
View
Final sale: no returns
A
Retailer 5
-
$10,861 CAD
$7,775 USD
View
A
Retailer 6
-
$10,861 CAD
$7,775 USD
View
Retailer 7
-
$10,861 CAD
$7,775 USD
View
Price last confirmed 14 days ago
A
Retailer 8
-
$12,589 CAD
$9,012 USD
View
A
Retailer 9
-
$12,695 CAD
$9,088 USD
View
A
Retailer 10
-
$12,754 CAD
$9,130 USD
View
A
Retailer 11
-
$13,483 CAD
$9,652 USD
View
A
Retailer 12
-
$14,695 CAD
£8,283 GBP
View
A
Retailer 13
-
$18,704 CAD
$13,390 USD
View
B+
Retailer 14
-
$23,664 CAD
£13,339 GBP
View
B+
Retailer 15
-
$24,357 CAD
ZAR 281,690 ZAR
View
Retailer 16
-
$25,027 CAD
A$27,563 AUD
View
Price last confirmed 8 days ago
B+
Retailer 17
-
$27,797 CAD
$19,899 USD
View
B+
Retailer 18
-
$29,892 CAD
$21,399 USD
View
B+
Retailer 19
-
$34,642 CAD
$24,799 USD
View
B+
Retailer 20
-
$35,914 CAD
$25,710 USD
View
B
Retailer 21
-
$40,141 CAD
$28,736 USD
View
Most Expensive
B
Do Amore Diamonds
27-A763EDBE5 · Oct 29
$58,418 CAD
$41,820 USD
View
21 more retailers have this diamond
Prices start from $9,363 CADSave up to $49,055 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
5.51ct Round
$9,363 CAD