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Cushion|Lab Grown|IGI

1.04ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG778675378

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

Certificate IGI LG778675378

Diamond specifications and retailer prices

From $190 USD
As of October 28, 2026
Save $1,525 USD (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,715 USD at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.04ct lab-grown cushion diamond

This 1.04ct lab-grown cushion sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG778675378 or 778675378. Listed at 16 retailers as of October 28, 2026, with prices from $190 to $1,715, a $1,525 spread on the same certified stone. Queensmith lists it at $1,715. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.04
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778675378
Dimensions6.01 × 5.90 × 3.66 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.01 mm5.90 mm1.04 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778675378
Side View
Table 62.0%Crown 34.3°Girdle: STK-THKPavilion 36.4°Culet: NoneDepth 62.0%

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 28
Current: $376 USD|Low: $190 USD|High: $1,003 USD|Avg: $469 USD|+4.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 28, 2026
Retailer 3$190 USD
Retailer 4$288 USD
Retailer 6$362 USD
Retailer 5$364 USD
Retailer 1$376 USD
Retailer 12$415 USD
Retailer 2$454 USD
Retailer 9$505 USD
Retailer 7$516 USD
Retailer 10$531 USD
Retailer 11$680 USD
Retailer 8$992 USD

40 data points across 12 retailers

16 retailers$190 USD to $1,715 USD

A
Cheapest Retailer
-
$190 USD
Final sale: no returns
B+
Retailer 2
-
$288 USD
View
Returns within 30 days
A
Retailer 3
-
$337 USD
View
Returns within 30 days
A
Retailer 4
-
$362 USD
€345 EUR
View
Returns within 100 days
A
Retailer 5
-
$364 USD
ZAR 5,879 ZAR
View
Returns within 7 days
A
Retailer 6
-
$376 USD
£296 GBP
View
Returns within 30 days
A
Retailer 7
-
$415 USD
£327 GBP
View
Price last confirmed 15 days ago
Returns within 30 days
B+
Retailer 8
-
$454 USD
View
Returns within 30 days
B+
Retailer 9
-
$505 USD
View
Price last confirmed 10 days ago
Returns within 30 days
B+
Retailer 10
-
$516 USD
A$794 AUD
View
B+
Retailer 11
-
$531 USD
View
Returns within 30 days
B+
Retailer 12
-
$680 USD
View
Returns within 30 days
B
Retailer 13
-
$736 USD
View
Returns within 90 days
B
Retailer 14
-
$992 USD
£781 GBP
View
B
Retailer 15
-
$1,101 USD
View
Returns within 30 days
Most Expensive
B
Queensmith
LG778675378 · Oct 28
$1,715 USD
£1,350 GBP
View
Returns within 40 days
15 more retailers have this diamond
Prices start from $190 USDSave up to $1,525 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
1.04ct Cushion
$190 USD