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Oval|Lab Grown|IGI

16.78ct F VS2 Oval Lab Grown Diamond

ID • F/VS2 • IGI LG586343113

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG586343113

Diamond specifications and retailer prices

From $5,462 CAD
£3,079 GBP
As of October 27, 2026
Save $34,126 CAD (86%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $39,588 CAD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 16.78ct lab-grown oval diamond

This 16.78ct lab-grown oval sits in the over five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG586343113 or 586343113. Listed at 12 retailers as of October 27, 2026, with prices from $5,462 to $39,588, a $34,126 spread on the same certified stone. Brilliant Earth lists it at $39,588. 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

16.78
Carat
F
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG586343113
Dimensions20.92 × 14.57 × 9.05 mm
L/W Ratio1.44
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
20.92 mm14.57 mm16.78 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG586343113
Side View
Table 59.0%Crown 35.8°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.1%

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 27
Current: $42,424 CAD|Low: $5,462 CAD|High: $106,813 CAD|Avg: $31,897 CAD
Brilliant Earth
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
Retailer 18
Retailer 19
October 31, 2026
Retailer 16$5,462 CAD
Retailer 2$7,574 CAD
Retailer 17$8,718 CAD
Retailer 18$9,855 CAD
Retailer 12$9,925 CAD
Retailer 15$10,609 CAD
Retailer 6$10,689 CAD
Retailer 8$11,157 CAD
Retailer 5$14,383 CAD
Retailer 4$16,881 CAD
Retailer 19$18,811 CAD
Retailer 7$18,927 CAD
Retailer 13$29,922 CAD
Retailer 3$33,379 CAD
Retailer 14$36,431 CAD
Brilliant Earth$42,424 CAD
Retailer 9$76,718 CAD
Retailer 11$76,718 CAD
Retailer 10$106,813 CAD

9 data points across 19 retailers

12 retailers$5,462 CAD to $39,588 CAD

A
Cheapest Retailer
-
$5,462 CAD
£3,079 GBP
A
Retailer 2
-
$7,574 CAD
$5,422 USD
View
B+
Retailer 3
-
$8,718 CAD
£4,914 GBP
View
B+
Retailer 4
-
$9,855 CAD
$7,055 USD
View
B+
Retailer 5
-
$9,925 CAD
$7,105 USD
View
B+
Retailer 6
-
$10,609 CAD
$7,595 USD
View
B
Retailer 7
-
$16,881 CAD
$12,085 USD
View
B
Retailer 8
-
$18,811 CAD
$13,466 USD
View
B
Retailer 9
-
$29,922 CAD
$21,420 USD
View
B
Retailer 10
-
$33,379 CAD
$23,895 USD
View
B
Retailer 11
-
$36,431 CAD
$26,080 USD
View
Most Expensive
B
Brilliant Earth
22301118A · Oct 31
$39,588 CAD
$28,340 USD
View
11 more retailers have this diamond
Prices start from $5,462 CADSave up to $34,126 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
16.78ct Oval
$5,462 CAD