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Cushion|Lab Grown|IGI

1.57ct I VS1 Cushion Lab Grown Diamond

ID • I/VS1 • IGI LG841613516

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG841613516

Diamond specifications and retailer prices

From HK$6,628 HKD
As of October 31, 2026
Save HK$14,706 HKD (69%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$26,056 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 1.57ct lab-grown cushion diamond

This 1.57ct 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 LG841613516 or 841613516. Listed at 13 retailers as of October 31, 2026, with a 222% 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

1.57
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841613516
Dimensions8.48 × 6.43 × 4.16 mm
L/W Ratio1.32
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.48 mm6.43 mm1.57 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841613516
Side View
Table 55.0%Crown 34.5°Girdle: MED-STKPavilion 38.8°Culet: LargeDepth 64.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: HK$26,056 HKD|Low: HK$6,628 HKD|High: HK$26,724 HKD|Avg: HK$13,005 HKD|-2.5%
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
November 1, 2026
Retailer 13HK$6,628 HKD
Retailer 4HK$6,724 HKD
Retailer 7HK$7,571 HKD
Retailer 2HK$8,042 HKD
Retailer 3HK$8,081 HKD
Retailer 8HK$8,693 HKD
Retailer 6HK$9,169 HKD
Retailer 9HK$10,356 HKD
Retailer 11HK$11,370 HKD
Retailer 5HK$19,072 HKD
Retailer 10HK$19,251 HKD
Retailer 12HK$21,334 HKD
MOH LondonHK$26,056 HKD

23 data points across 13 retailers

13 retailersHK$6,628 HKD to HK$21,334 HKD

B+
Cheapest Retailer
-
HK$6,628 HKD
Retailer 2
-
HK$6,724 HKD
$857 USD
View
Price last confirmed 16 days ago
B+
Retailer 3
-
HK$7,571 HKD
$965 USD
View
B+
Retailer 4
-
HK$8,042 HKD
$1,025 USD
View
B+
Retailer 5
-
HK$8,081 HKD
$1,030 USD
View
B+
Retailer 6
-
HK$8,693 HKD
$1,108 USD
View
B+
Retailer 7
-
HK$9,169 HKD
€1,113 EUR
View
B
Retailer 8
-
HK$10,356 HKD
$1,320 USD
View
B
Retailer 9
-
HK$11,370 HKD
ZAR 23,412 ZAR
View
B
Retailer 10
-
HK$19,072 HKD
SGD 3,285 SGD
View
B
Retailer 11
-
HK$19,251 HKD
£1,932 GBP
View
B
Retailer 12
-
HK$21,334 HKD
$2,719 USD
View
Most Expensive
MOH London
LG841613516 · Nov 1
HK$26,056 HKD
£2,615 GBP
View
Price under review
12 more retailers have this diamond
Prices start from HK$6,628 HKDSave up to HK$14,706 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.

B+
1.57ct Cushion
HK$6,628 HKD