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Cushion|Lab Grown|IGI

1.80ct I VS1 Cushion Lab Grown Diamond

ID • I/VS1 • IGI LG825670046

Shape and cutting style on the report: Antique cushion cut

Certificate IGI LG825670046

Diamond specifications and retailer prices

From HK$3,648 HKD
$465 USD
As of October 27, 2026
Save HK$11,146 HKD (75%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$16,720 HKD at MOH London · As of October 19, 2026
View at MOH London

About this 1.8ct lab-grown cushion diamond

This 1.8ct lab-grown cushion sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG825670046 or 825670046. Listed at 13 retailers as of October 27, 2026, with a 306% 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

1.80
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.4°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825670046
Dimensions8.41 × 6.13 × 4.17 mm
L/W Ratio1.37
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.41 mm6.13 mm1.80 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825670046
Side View
Table 54.0%Crown 39.4°Girdle: THK-VTKPavilion 39.6°Culet: LargeDepth 68.0%

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 27
Current: HK$16,720 HKD|Low: HK$3,507 HKD|High: HK$16,839 HKD|Avg: HK$7,981 HKD|+0.5%
MOH London
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
October 31, 2026
Retailer 11HK$3,648 HKD
Retailer 4HK$4,088 HKD
Retailer 12HK$4,088 HKD
Retailer 13HK$4,527 HKD
Retailer 14HK$4,527 HKD
Retailer 5HK$5,390 HKD
Retailer 10HK$5,414 HKD
Retailer 9HK$6,787 HKD
Retailer 2HK$6,903 HKD
Retailer 8HK$12,177 HKD
Retailer 7HK$13,181 HKD
Retailer 3HK$14,554 HKD
Retailer 6HK$14,794 HKD
MOH LondonHK$16,720 HKD

27 data points across 14 retailers

13 retailersHK$3,648 HKD to HK$14,794 HKD

A
Cheapest Retailer
-
HK$3,648 HKD
$465 USD
A
Retailer 2
-
HK$4,088 HKD
$521 USD
View
Retailer 3
-
HK$4,527 HKD
$577 USD
View
Price last confirmed 16 days ago
Retailer 4
-
HK$4,527 HKD
$577 USD
View
Price last confirmed 11 days ago
A
Retailer 5
-
HK$5,390 HKD
$687 USD
View
A
Retailer 6
-
HK$5,414 HKD
$690 USD
View
A
Retailer 7
-
HK$6,787 HKD
$865 USD
View
A
Retailer 8
-
HK$6,903 HKD
€838 EUR
View
Retailer 9
-
HK$12,177 HKD
$1,552 USD
View
Price last confirmed 9 days ago
B
Retailer 10
-
HK$13,181 HKD
$1,680 USD
View
Retailer 11
-
HK$14,554 HKD
$1,855 USD
View
Price last confirmed 11 days ago
B
Retailer 12
-
HK$14,794 HKD
$1,886 USD
View
Most Expensive
MOH London
LG825670046 · Oct 19
HK$16,720 HKD
£1,678 GBP
View
Price last confirmed 13 days ago
12 more retailers have this diamond
Prices start from HK$3,648 HKDSave up to HK$11,146 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
1.80ct Cushion
HK$3,648 HKD