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Cushion|Lab Grown|IGI

17.20ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG626438688

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG626438688

Diamond specifications and retailer prices

From $12,975 CAD
£7,314 GBP
As of November 1, 2026
Save $37,157 CAD (74%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $50,132 CAD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 17.2ct lab-grown cushion diamond

This 17.2ct lab-grown cushion sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG626438688 or 626438688. Listed at 13 retailers as of October 31, 2026, with prices from $12,975 to $50,132, a $37,157 spread on the same certified stone. Taylor and Hart lists it at $50,132. 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

17.20
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle30.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG626438688
Dimensions14.66 × 14.46 × 8.89 mm
L/W Ratio1.01
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
14.66 mm14.46 mm17.20 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG626438688
Side View
Table 59.0%Crown 34.3°Girdle: THK-VTKPavilion 30.9°Culet: NoneDepth 61.5%

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: Nov 1
Current: $12,975 CAD|Low: $12,970 CAD|High: $50,132 CAD|Avg: $24,485 CAD|-1.2%
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
Taylor and Hart
November 1, 2026
Retailer 1$12,975 CAD
Retailer 4$14,869 CAD
Retailer 2$15,596 CAD
Retailer 13$15,967 CAD
Retailer 11$16,155 CAD
Retailer 10$16,246 CAD
Retailer 12$17,246 CAD
Retailer 8$22,465 CAD
Retailer 7$25,008 CAD
Retailer 5$25,570 CAD
Retailer 6$26,973 CAD
Retailer 9$34,685 CAD
Retailer 3$45,008 CAD
Taylor and Hart$50,132 CAD

35 data points across 14 retailers

13 retailers$12,975 CAD to $50,132 CAD

A
Cheapest Retailer
-
$12,975 CAD
£7,314 GBP
B+
Retailer 2
-
$14,869 CAD
$10,644 USD
View
B+
Retailer 3
-
$15,596 CAD
$11,165 USD
View
Final sale: no returns
B+
Retailer 4
-
$15,967 CAD
$11,430 USD
View
Retailer 5
-
$16,155 CAD
$11,565 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
$16,246 CAD
$11,630 USD
View
B+
Retailer 7
-
$17,246 CAD
$12,346 USD
View
B
Retailer 8
-
$22,465 CAD
$16,082 USD
View
B
Retailer 9
-
$25,008 CAD
ZAR 289,221 ZAR
View
B
Retailer 10
-
$26,973 CAD
€18,390 EUR
View
B
Retailer 11
-
$34,685 CAD
$24,830 USD
View
B
Retailer 12
-
$45,008 CAD
$32,220 USD
View
Most Expensive
B
Taylor and Hart
TYVKW0T · Oct 31
$50,132 CAD
$35,888 USD
View
12 more retailers have this diamond
Prices start from $12,975 CADSave up to $37,157 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
17.20ct Cushion
$12,975 CAD