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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 $270 AUD
$190 USD
As of November 1, 2026
Save $2,170 AUD (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,441 AUD 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 $270 to $2,441, a $2,170 spread on the same certified stone. Queensmith lists it at $2,441. 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
Colour
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: Nov 1
Current: $534 AUD|Low: $270 AUD|High: $1,428 AUD|Avg: $700 AUD|+3.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 3$270 AUD
Retailer 7$516 AUD
Retailer 5$521 AUD
Retailer 1$534 AUD
Retailer 11$591 AUD
Retailer 2$646 AUD
Retailer 9$719 AUD
Retailer 4$736 AUD
Retailer 10$756 AUD
Retailer 8$840 AUD
Retailer 6$1,410 AUD

41 data points across 11 retailers

16 retailers$270 AUD to $2,441 AUD

A
Cheapest Retailer
-
$270 AUD
$190 USD
Final sale: no returns
B+
Retailer 2
-
$410 AUD
$288 USD
View
A
Retailer 3
-
$480 AUD
$337 USD
View
A
Retailer 4
-
$516 AUD
€345 EUR
View
A
Retailer 5
-
$521 AUD
ZAR 5,910 ZAR
View
A
Retailer 6
-
$534 AUD
£295 GBP
View
Retailer 7
-
$591 AUD
£327 GBP
View
Price last confirmed 19 days ago
B+
Retailer 8
-
$646 AUD
$454 USD
View
B+
Retailer 9
-
$719 AUD
$505 USD
View
B+
Retailer 10
-
$736 AUD
View
B+
Retailer 11
-
$756 AUD
$531 USD
View
B+
Retailer 12
-
$840 AUD
$590 USD
View
B
Retailer 13
-
$1,048 AUD
$736 USD
View
B
Retailer 14
-
$1,410 AUD
£780 GBP
View
B
Retailer 15
-
$1,567 AUD
$1,101 USD
View
Most Expensive
B
Queensmith
LG778675378 · Oct 28
$2,441 AUD
£1,350 GBP
View
15 more retailers have this diamond
Prices start from $270 AUDSave up to $2,170 AUD

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
$270 AUD