Cushion|Lab Grown|IGI

17.78ct H VS1 Cushion Lab Grown Diamond

VG • H/VS1 • IGI LG629479691

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG629479691

Diamond specifications and retailer prices

From ₹9,11,061 INR
£7,555 GBP
As of November 1, 2026
Save ₹25,63,752 INR (74%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: ₹34,74,813 INR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 17.78ct lab-grown cushion diamond

This 17.78ct lab-grown cushion sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG629479691 or 629479691. Listed at 14 retailers as of October 31, 2026, with prices from ₹9,11,061 to ₹34,74,813, a ₹25,63,752 spread on the same certified stone. Taylor and Hart lists it at ₹34,74,813. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

17.78
Carat
H
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle31.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG629479691
Dimensions14.78 × 14.54 × 9.31 mm
L/W Ratio1.02
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
14.78 mm14.54 mm17.78 ctH / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG629479691
Side View
Table 64.0%Crown 37.5°Girdle: THK-ETKPavilion 31.6°Culet: NoneDepth 64.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: ₹9,11,061 INR|Low: ₹9,10,721 INR|High: ₹34,74,813 INR|Avg: ₹17,31,260 INR|-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₹9,11,061 INR
Retailer 5₹10,43,121 INR
Retailer 3₹10,95,248 INR
Retailer 2₹11,20,410 INR
Retailer 12₹11,34,368 INR
Retailer 11₹11,41,584 INR
Retailer 13₹12,10,613 INR
Retailer 9₹16,18,992 INR
Retailer 8₹17,55,986 INR
Retailer 7₹18,95,150 INR
Retailer 10₹21,48,139 INR
Retailer 6₹24,36,417 INR
Retailer 4₹31,60,464 INR
Taylor and Hart₹34,74,813 INR

36 data points across 14 retailers

14 retailers₹9,11,061 INR to ₹34,74,813 INR

B+
Cheapest Retailer
-
₹9,11,061 INR
£7,555 GBP
B+
Retailer 2
-
₹10,43,121 INR
$10,986 USD
View
B+
Retailer 3
-
₹10,95,248 INR
$11,535 USD
View
Final sale: no returns
B
Retailer 4
-
₹11,20,410 INR
$11,800 USD
View
Retailer 5
-
₹11,34,368 INR
$11,947 USD
View
Price last confirmed 19 days ago
B
Retailer 6
-
₹11,41,584 INR
$12,023 USD
View
Retailer 7
-
₹12,10,613 INR
$12,750 USD
View
Price last confirmed 11 days ago
B
Retailer 8
-
₹16,18,992 INR
$17,051 USD
View
B
Retailer 9
-
₹17,55,986 INR
ZAR 298,769 ZAR
View
B
Retailer 10
-
₹18,95,150 INR
€19,009 EUR
View
Retailer 11
-
₹21,48,139 INR
A$34,806 AUD
View
Price last confirmed 9 days ago
B
Retailer 12
-
₹24,36,417 INR
$25,660 USD
View
B
Retailer 13
-
₹31,60,464 INR
$33,286 USD
View
Most Expensive
B
Taylor and Hart
U0IXM1G · Oct 31
₹34,74,813 INR
$36,596 USD
View
13 more retailers have this diamond
Prices start from ₹9,11,061 INRSave up to ₹25,63,752 INR

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.

B+
17.78ct Cushion
₹9,11,061 INR