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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 €8,339 EUR
£7,336 GBP
As of October 30, 2026
Save €23,784 EUR (74%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €32,123 EUR 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 30, 2026, with prices from €8,339 to €32,123, a €23,784 spread on the same certified stone. Taylor and Hart lists it at €32,123. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €17,284 EUR|Low: €8,311 EUR|High: €32,123 EUR|Avg: €15,695 EUR|+2.9%
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
October 31, 2026
Retailer 6€8,339 EUR
Retailer 4€9,527 EUR
Retailer 2€9,994 EUR
Retailer 13€10,231 EUR
Retailer 11€10,352 EUR
Retailer 10€10,410 EUR
Retailer 12€11,051 EUR
Retailer 8€14,395 EUR
Retailer 7€16,025 EUR
Retailer 5€16,384 EUR
Retailer 1€17,284 EUR
Retailer 9€22,225 EUR
Retailer 3€28,840 EUR
Taylor and Hart€32,123 EUR

34 data points across 14 retailers

13 retailers€8,339 EUR to €32,123 EUR

A
Cheapest Retailer
-
€8,339 EUR
£7,336 GBP
B+
Retailer 2
-
€9,527 EUR
$10,644 USD
View
B+
Retailer 3
-
€9,994 EUR
$11,165 USD
View
Final sale: no returns
B+
Retailer 4
-
€10,231 EUR
$11,430 USD
View
Retailer 5
-
€10,352 EUR
$11,565 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
€10,410 EUR
$11,630 USD
View
Retailer 7
-
€11,051 EUR
$12,346 USD
View
Price last confirmed 11 days ago
B
Retailer 8
-
€14,395 EUR
$16,082 USD
View
B
Retailer 9
-
€16,025 EUR
ZAR 289,221 ZAR
View
B
Retailer 10
-
€17,284 EUR
View
B
Retailer 11
-
€22,225 EUR
$24,830 USD
View
B
Retailer 12
-
€28,840 EUR
$32,220 USD
View
Most Expensive
B
Taylor and Hart
TYVKW0T · Oct 31
€32,123 EUR
$35,888 USD
View
12 more retailers have this diamond
Prices start from €8,339 EURSave up to €23,784 EUR

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
€8,339 EUR