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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 HK$1,491 HKD
$190 USD
As of November 1, 2026
Save HK$11,961 HKD (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$13,452 HKD 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 HK$1,491 to HK$13,452, a HK$11,961 spread on the same certified stone. Queensmith lists it at HK$13,452. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: HK$4,206 HKD|Low: HK$1,491 HKD|High: HK$7,872 HKD|Avg: HK$3,856 HKD|+11.7%
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 3HK$1,491 HKD
Retailer 8HK$2,842 HKD
Retailer 6HK$2,870 HKD
Retailer 4HK$2,942 HKD
Retailer 11HK$3,260 HKD
Retailer 2HK$3,562 HKD
Retailer 10HK$3,962 HKD
Retailer 5HK$4,054 HKD
Retailer 1HK$4,206 HKD
Retailer 9HK$4,629 HKD
Retailer 7HK$7,772 HKD

41 data points across 11 retailers

16 retailersHK$1,491 HKD to HK$13,452 HKD

A
Cheapest Retailer
-
HK$1,491 HKD
$190 USD
Final sale: no returns
B+
Retailer 2
-
HK$2,260 HKD
$288 USD
View
A
Retailer 3
-
HK$2,644 HKD
$337 USD
View
A
Retailer 4
-
HK$2,842 HKD
€345 EUR
View
A
Retailer 5
-
HK$2,870 HKD
ZAR 5,910 ZAR
View
A
Retailer 6
-
HK$2,942 HKD
£295 GBP
View
Retailer 7
-
HK$3,260 HKD
£327 GBP
View
Price last confirmed 19 days ago
B+
Retailer 8
-
HK$3,562 HKD
$454 USD
View
B+
Retailer 9
-
HK$3,962 HKD
$505 USD
View
B+
Retailer 10
-
HK$4,054 HKD
A$795 AUD
View
B+
Retailer 11
-
HK$4,206 HKD
$536 USD
View
B+
Retailer 12
-
HK$4,629 HKD
$590 USD
View
B
Retailer 13
-
HK$5,774 HKD
$736 USD
View
B
Retailer 14
-
HK$7,772 HKD
£780 GBP
View
B
Retailer 15
-
HK$8,637 HKD
$1,101 USD
View
Most Expensive
B
Queensmith
LG778675378 · Oct 28
HK$13,452 HKD
£1,350 GBP
View
15 more retailers have this diamond
Prices start from HK$1,491 HKDSave up to HK$11,961 HKD

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
HK$1,491 HKD