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Cushion|Lab Grown|IGI

1.25ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG786634356

Shape and cutting style on the report: Antique cushion cut

Certificate IGI LG786634356

Diamond specifications and retailer prices

From HK$2,440 HKD
As of November 4, 2026
Save HK$9,752 HKD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$16,441 HKD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.25ct lab-grown cushion diamond

This 1.25ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG786634356 or 786634356. Listed at 18 retailers as of October 29, 2026, with a 400% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle43.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786634356
Dimensions7.07 × 6.20 × 3.76 mm
L/W Ratio1.14
Girdle conditionFaceted
Culet sizeLarge
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
7.07 mm6.20 mm1.25 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786634356
Side View
Table 60.0%Crown 32.7°Girdle: MED-THKPavilion 43.2°Culet: LargeDepth 60.6%

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 4
Current: HK$7,438 HKD|Low: HK$2,346 HKD|High: HK$12,271 HKD|Avg: HK$6,146 HKD|+1.3%
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
Retailer 14
November 4, 2026
Retailer 12HK$2,440 HKD
Retailer 8HK$2,722 HKD
Retailer 5HK$2,832 HKD
Retailer 3HK$3,028 HKD
Retailer 14HK$3,028 HKD
Retailer 13HK$4,080 HKD
Retailer 10HK$4,237 HKD
Retailer 7HK$5,335 HKD
Retailer 1HK$7,438 HKD
Retailer 11HK$9,297 HKD
Retailer 4HK$9,713 HKD
Retailer 2HK$9,729 HKD
Retailer 6HK$11,714 HKD
Retailer 9HK$12,192 HKD

44 data points across 14 retailers

18 retailersHK$2,440 HKD to HK$12,192 HKD

A
Cheapest Retailer
-
HK$2,440 HKD
A
Retailer 2
-
HK$2,722 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$2,832 HKD
View
Retailer 4
-
HK$3,028 HKD
View
Price last confirmed 11 days ago
A
Retailer 5
-
HK$3,028 HKD
View
A
Retailer 6
-
HK$4,080 HKD
View
B+
Retailer 7
-
HK$4,158 HKD
View
B+
Retailer 8
-
HK$4,237 HKD
View
B+
Retailer 9
-
HK$5,335 HKD
View
B+
Retailer 10
-
HK$7,438 HKD
View
B
Retailer 11
-
HK$9,297 HKD
View
B
Retailer 12
-
HK$9,713 HKD
View
B
Retailer 13
-
HK$9,729 HKD
View
B
Retailer 14
-
HK$10,090 HKD
View
B
Retailer 15
-
HK$11,714 HKD
View
B
Retailer 16
-
HK$12,145 HKD
View
B
Retailer 17
-
HK$12,192 HKD
View
Most Expensive
Queensmith
LG786634356 · Oct 27
HK$16,441 HKD
£1,650 GBP
View
Price last confirmed 8 days ago
17 more retailers have this diamond
Prices start from HK$2,440 HKDSave up to HK$9,752 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
1.25ct Cushion
HK$2,440 HKD