Round|Lab Grown|IGI

5.21ct E IF Round Lab Grown Diamond

EX • E/IF • IGI LG818674895

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818674895

Diamond specifications and retailer prices

From $6,529 CAD
$4,665 USD
As of October 29, 2026
Save $20,572 CAD (76%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $27,101 CAD at Taylor and Hart · As of October 28, 2026
View at Taylor and Hart

About this 5.21ct lab-grown round diamond

This 5.21ct 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 LG818674895 or 818674895. Listed at 19 retailers as of October 28, 2026, with prices from $6,529 to $27,101, a $20,572 spread on the same certified stone. Taylor and Hart lists it at $27,101. 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

5.21
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818674895
Dimensions11.28 × 11.36 × 6.78 mm
L/W Ratio1.01
Girdle conditionFaceted
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
11.28 mm11.36 mm5.21 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818674895
Side View
Table 57.0%Crown 32.7°Girdle: THN-MEDPavilion 40.9°Culet: NoneDepth 59.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $9,775 CAD|Low: $7,281 CAD|High: $36,403 CAD|Avg: $15,160 CAD|-24.3%
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
Taylor and Hart
October 29, 2026
Retailer 2$7,313 CAD
Retailer 11$7,621 CAD
Retailer 13$8,819 CAD
Retailer 6$9,362 CAD
Retailer 1$9,775 CAD
Retailer 10$10,987 CAD
Retailer 12$11,064 CAD
Retailer 7$11,233 CAD
Retailer 9$12,171 CAD
Retailer 15$12,249 CAD
Retailer 3$14,206 CAD
Retailer 14$15,327 CAD
Retailer 8$15,766 CAD
Retailer 5$19,579 CAD
Retailer 4$21,052 CAD
Taylor and Hart$27,101 CAD

29 data points across 16 retailers

19 retailers$6,529 CAD to $27,101 CAD

A
Cheapest Retailer
-
$6,529 CAD
$4,665 USD
A
Retailer 2
-
$7,313 CAD
$5,225 USD
View
Final sale: no returns
A
Retailer 3
-
$7,621 CAD
$5,445 USD
View
A
Retailer 4
-
$8,819 CAD
$6,301 USD
View
A
Retailer 5
-
$9,362 CAD
$6,689 USD
View
Price last confirmed 22 days ago
A
Retailer 6
-
$9,362 CAD
$6,689 USD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$9,362 CAD
$6,689 USD
View
Price last confirmed 13 days ago
A
Retailer 8
-
$9,775 CAD
£5,499 GBP
View
A
Retailer 9
-
$10,987 CAD
$7,850 USD
View
A
Retailer 10
-
$11,064 CAD
$7,905 USD
View
A
Retailer 11
-
$11,233 CAD
HK$62,700 HKD
View
Price last confirmed 40 days ago
A
Retailer 12
-
$12,171 CAD
€8,282 EUR
View
A
Retailer 13
-
$12,249 CAD
$8,752 USD
View
A
Retailer 14
-
$14,206 CAD
$10,150 USD
View
A
Retailer 15
-
$15,327 CAD
ZAR 176,914 ZAR
View
A
Retailer 16
-
$15,766 CAD
£8,870 GBP
View
A
Retailer 17
-
$19,579 CAD
A$21,521 AUD
View
A
Retailer 18
-
$21,052 CAD
$15,041 USD
View
Most Expensive
B+
Taylor and Hart
FOM5YL9 · Oct 28
$27,101 CAD
$19,363 USD
View
18 more retailers have this diamond
Prices start from $6,529 CADSave up to $20,572 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
5.21ct Round
$6,529 CAD