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Cushion|Lab Grown|IGI

1.61ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG497146598

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG497146598

Diamond specifications and retailer prices

From HK$1,655 HKD
$211 USD
As of October 30, 2026
Save HK$7,711 HKD (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$9,366 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 1.61ct lab-grown cushion diamond

This 1.61ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG497146598 or 497146598. Listed at 13 retailers as of October 29, 2026, with prices from HK$1,655 to HK$9,366, a HK$7,711 spread on the same certified stone. MOH London lists it at HK$9,366. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.61
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG497146598
Dimensions6.63 × 6.59 × 4.42 mm
L/W Ratio1.01
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
6.63 mm6.59 mm1.61 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG497146598
Side View
Table 62.0%Crown 38.5°Girdle: STK-THKPavilion 36°Culet: NoneDepth 67.1%

Caratlytics Score

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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: Oct 30
Current: HK$9,366 HKD|Low: HK$1,655 HKD|High: HK$9,436 HKD|Avg: HK$4,806 HKD|+8.4%
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
October 30, 2026
Retailer 5HK$1,655 HKD
Retailer 11HK$1,993 HKD
Retailer 9HK$2,746 HKD
Retailer 4HK$3,219 HKD
Retailer 6HK$3,443 HKD
Retailer 2HK$3,667 HKD
Retailer 12HK$3,978 HKD
Retailer 10HK$4,033 HKD
Retailer 8HK$5,249 HKD
Retailer 13HK$6,826 HKD
Retailer 7HK$6,865 HKD
Retailer 3HK$9,023 HKD
MOH LondonHK$9,366 HKD

42 data points across 13 retailers

13 retailersHK$1,655 HKD to HK$9,366 HKD

A
Cheapest Retailer
-
HK$1,655 HKD
$211 USD
Final sale: no returns
Retailer 2
-
HK$1,993 HKD
$254 USD
View
Price last confirmed 18 days ago
B+
Retailer 3
-
HK$2,746 HKD
$350 USD
View
Retailer 4
-
HK$3,219 HKD
£323 GBP
View
Price last confirmed 25 days ago
A
Retailer 5
-
HK$3,443 HKD
€418 EUR
View
A
Retailer 6
-
HK$3,667 HKD
£368 GBP
View
A
Retailer 7
-
HK$3,978 HKD
$507 USD
View
A
Retailer 8
-
HK$4,033 HKD
$514 USD
View
B+
Retailer 9
-
HK$5,249 HKD
$669 USD
View
B+
Retailer 10
-
HK$6,826 HKD
$870 USD
View
Retailer 11
-
HK$6,865 HKD
$875 USD
View
Price last confirmed 9 days ago
B
Retailer 12
-
HK$9,023 HKD
$1,150 USD
View
Most Expensive
B
MOH London
LG497146598 · Oct 29
HK$9,366 HKD
£940 GBP
View
12 more retailers have this diamond
Prices start from HK$1,655 HKDSave up to HK$7,711 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
1.61ct Cushion
HK$1,655 HKD