Round|Lab Grown|GIA

5.51ct E IF Round Lab Grown Diamond

EX • E/IF • GIA 3515142642

Certificate GIA 3515142642

Diamond specifications and retailer prices

From $23,053 CAD
$16,503 USD
As of October 29, 2026
Save $48,133 CAD (68%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $71,186 CAD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

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 GIA 3515142642. Listed at 16 retailers as of October 29, 2026, with prices from $23,053 to $71,186, a $48,133 spread on the same certified stone. Taylor and Hart lists it at $71,186. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 3515142642
Dimensions11.37 × 11.35 × 6.96 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
11.37 mm11.35 mm5.51 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3515142642
Side View
Table 58.0%Crown 35°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.3%

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: $45,554 CAD|Low: $19,061 CAD|High: $185,771 CAD|Avg: $59,739 CAD|+5.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Taylor and Hart
October 29, 2026
Retailer 5$20,346 CAD
Retailer 8$23,606 CAD
Retailer 9$23,844 CAD
Retailer 2$25,390 CAD
Retailer 4$39,868 CAD
Retailer 1$45,554 CAD
Retailer 3$47,568 CAD
Retailer 6$68,678 CAD
Taylor and Hart$71,186 CAD
Retailer 7$103,273 CAD
Retailer 10$185,771 CAD

26 data points across 11 retailers

16 retailers$23,053 CAD to $71,186 CAD

Retailer 1
-
$20,346 CAD
$14,565 USD
Price last confirmed 12 days ago
A
Retailer 2
-
$23,053 CAD
$16,503 USD
View
A
Retailer 3
-
$23,606 CAD
$16,899 USD
View
A
Retailer 4
-
$23,844 CAD
$17,069 USD
View
B+
Retailer 5
-
$25,390 CAD
$18,176 USD
View
B+
Retailer 6
-
$26,741 CAD
$19,143 USD
View
Retailer 7
-
$26,741 CAD
$19,143 USD
View
Price last confirmed 14 days ago
B+
Retailer 8
-
$27,664 CAD
$19,804 USD
View
B+
Retailer 9
-
$32,887 CAD
$23,543 USD
View
B+
Retailer 10
-
$39,868 CAD
$28,540 USD
View
B+
Retailer 11
-
$45,554 CAD
£25,678 GBP
View
B
Retailer 12
-
$47,568 CAD
€32,431 EUR
View
B
Retailer 13
-
$68,678 CAD
$49,165 USD
View
Most Expensive
B
Taylor and Hart
2OHVJ2C · Oct 30
$71,186 CAD
$50,960 USD
View
13 more retailers have this diamond
Prices start from $23,053 CADSave up to $48,133 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
$23,053 CAD