Cushion|Lab Grown|IGI

6.78ct F VVS1 Cushion Lab Grown Diamond

ID • F/VVS1 • IGI LG806611727

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG806611727

Diamond specifications and retailer prices

From ₹2,19,812 INR
$2,316 USD
As of November 1, 2026
Save ₹5,91,669 INR (73%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: ₹14,36,786 INR at Queensmith · As of October 9, 2026
View at Queensmith

About this 6.78ct lab-grown cushion diamond

This 6.78ct lab-grown cushion sits in the over five carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG806611727 or 806611727. Listed at 17 retailers as of November 1, 2026, with a 269% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

6.78
Carat
F
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG806611727
Dimensions11.14 × 10.95 × 7.26 mm
L/W Ratio1.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.14 mm10.95 mm6.78 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG806611727
Side View
Table 63.0%Crown 35°Girdle: MED-THKPavilion 39.1°Culet: NoneDepth 66.3%

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: ₹14,36,786 INR|Low: ₹2,19,812 INR|High: ₹14,36,786 INR|Avg: ₹6,34,418 INR
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 3, 2026
Retailer 3₹2,19,812 INR
Retailer 2₹3,13,132 INR
Retailer 9₹3,39,019 INR
Retailer 11₹3,56,197 INR
Retailer 13₹4,21,908 INR
Retailer 5₹4,33,929 INR
Retailer 10₹4,35,594 INR
Retailer 6₹5,69,812 INR
Retailer 12₹6,17,745 INR
Retailer 4₹6,19,193 INR
Retailer 8₹6,19,762 INR
Retailer 14₹6,83,257 INR
Retailer 7₹7,68,424 INR
Retailer 16₹8,03,745 INR
Retailer 15₹8,11,481 INR
Queensmith₹14,36,786 INR

42 data points across 16 retailers

17 retailers₹2,19,812 INR to ₹8,11,481 INR

A
Cheapest Retailer
-
₹2,19,812 INR
$2,316 USD
Final sale: no returns
A
Retailer 2
-
₹3,13,132 INR
£2,598 GBP
View
B+
Retailer 3
-
₹3,39,019 INR
$3,572 USD
View
B+
Retailer 4
-
₹3,56,197 INR
$3,753 USD
View
B+
Retailer 5
-
₹4,21,908 INR
A$6,839 AUD
View
B+
Retailer 6
-
₹4,33,929 INR
£3,600 GBP
View
B+
Retailer 7
-
₹4,35,594 INR
€4,371 EUR
View
Retailer 8
-
₹5,69,812 INR
$6,004 USD
View
Price last confirmed 7 days ago
B+
Retailer 9
-
₹5,93,282 INR
$6,251 USD
View
B
Retailer 10
-
₹6,17,745 INR
£5,125 GBP
View
B+
Retailer 11
-
₹6,19,193 INR
$6,524 USD
View
Retailer 12
-
₹6,19,762 INR
$6,530 USD
View
Price last confirmed 15 days ago
B
Retailer 13
-
₹6,83,257 INR
$7,199 USD
View
B
Retailer 14
-
₹7,68,424 INR
SGD 10,941 SGD
View
B
Retailer 15
-
₹8,03,745 INR
$8,469 USD
View
B
Retailer 16
-
₹8,11,481 INR
$8,550 USD
View
Most Expensive
Queensmith
LG806611727 · Oct 9
₹14,36,786 INR
£11,920 GBP
View
Price last confirmed 24 days ago
16 more retailers have this diamond
Prices start from ₹2,19,812 INRSave up to ₹5,91,669 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.

A
6.78ct Cushion
₹2,19,812 INR