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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 HK$72,874 HKD
£7,313 GBP
As of November 2, 2026
Save HK$208,710 HKD (74%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$281,584 HKD 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 HK$72,874 to HK$281,584, a HK$208,710 spread on the same certified stone. Taylor and Hart lists it at HK$281,584. 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
Colour
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 2
Current: HK$92,113 HKD|Low: HK$72,852 HKD|High: HK$281,584 HKD|Avg: HK$137,483 HKD|-13.8%
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 2, 2026
Retailer 7HK$72,874 HKD
Retailer 4HK$83,514 HKD
Retailer 2HK$87,602 HKD
Retailer 13HK$89,681 HKD
Retailer 11HK$90,740 HKD
Retailer 1HK$92,113 HKD
Retailer 12HK$96,868 HKD
Retailer 9HK$126,181 HKD
Retailer 8HK$140,467 HKD
Retailer 5HK$143,619 HKD
Retailer 6HK$151,471 HKD
Retailer 10HK$194,819 HKD
Retailer 3HK$252,800 HKD
Taylor and HartHK$281,584 HKD

36 data points across 14 retailers

13 retailersHK$72,874 HKD to HK$281,584 HKD

A
Cheapest Retailer
-
HK$72,874 HKD
£7,313 GBP
B+
Retailer 2
-
HK$83,514 HKD
$10,644 USD
View
B+
Retailer 3
-
HK$87,602 HKD
$11,165 USD
View
Final sale: no returns
B+
Retailer 4
-
HK$89,681 HKD
$11,430 USD
View
Retailer 5
-
HK$90,740 HKD
$11,565 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
HK$92,113 HKD
$11,740 USD
View
B+
Retailer 7
-
HK$96,868 HKD
$12,346 USD
View
B
Retailer 8
-
HK$126,181 HKD
$16,082 USD
View
B
Retailer 9
-
HK$140,467 HKD
ZAR 289,221 ZAR
View
B
Retailer 10
-
HK$151,471 HKD
€18,386 EUR
View
B
Retailer 11
-
HK$194,819 HKD
$24,830 USD
View
B
Retailer 12
-
HK$252,800 HKD
$32,220 USD
View
Most Expensive
B
Taylor and Hart
TYVKW0T · Oct 31
HK$281,584 HKD
$35,888 USD
View
12 more retailers have this diamond
Prices start from HK$72,874 HKDSave up to HK$208,710 HKD

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
HK$72,874 HKD