CaratHunter
Plans
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 $9,316 USD
£7,336 GBP
As of October 30, 2026
Save $26,572 USD (74%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $35,888 USD at Taylor and Hart · As of October 30, 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 $9,316 to $35,888, a $26,572 spread on the same certified stone. Taylor and Hart lists it at $35,888. 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: Oct 30
Current: $9,316 USD|Low: $9,285 USD|High: $35,888 USD|Avg: $17,541 USD|-0.9%
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 30, 2026
Retailer 1$9,316 USD
Retailer 4$10,644 USD
Retailer 2$11,165 USD
Retailer 13$11,430 USD
Retailer 11$11,565 USD
Retailer 10$11,630 USD
Retailer 12$12,346 USD
Retailer 8$16,082 USD
Retailer 6$17,903 USD
Retailer 5$18,305 USD
Retailer 7$19,446 USD
Retailer 9$24,830 USD
Retailer 3$32,220 USD
Taylor and Hart$35,888 USD

33 data points across 14 retailers

13 retailers$9,316 USD to $35,888 USD

A
Cheapest Retailer
-
$9,316 USD
£7,336 GBP
B+
Retailer 2
-
$10,644 USD
View
B+
Retailer 3
-
$11,165 USD
View
Final sale: no returns
B+
Retailer 4
-
$11,430 USD
View
Retailer 5
-
$11,565 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
$11,630 USD
View
Retailer 7
-
$12,346 USD
View
Price last confirmed 9 days ago
B
Retailer 8
-
$16,082 USD
View
B
Retailer 9
-
$17,903 USD
ZAR 289,221 ZAR
View
B
Retailer 10
-
$19,446 USD
€18,520 EUR
View
B
Retailer 11
-
$24,830 USD
View
B
Retailer 12
-
$32,220 USD
View
Most Expensive
B
Taylor and Hart
TYVKW0T · Oct 30
$35,888 USD
View
12 more retailers have this diamond
Prices start from $9,316 USDSave up to $26,572 USD

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
$9,316 USD