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Cushion|Lab Grown|IGI

1.69ct E SI1 Cushion Lab Grown Diamond

VG • E/SI1 • IGI LG515211426

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG515211426

Diamond specifications and retailer prices

From HK$4,731 HKD
$603 USD
As of October 28, 2026
Save HK$17,162 HKD (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$21,893 HKD at MOH London · As of October 26, 2026
View at MOH London

About this 1.69ct lab-grown cushion diamond

This 1.69ct 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 very-good cut grade and certified by IGI LG515211426 or 515211426. Listed at 8 retailers as of October 26, 2026, with prices from HK$4,731 to HK$21,893, a HK$17,162 spread on the same certified stone. MOH London lists it at HK$21,893. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.69
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.6°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG515211426
Dimensions6.60 × 6.60 × 4.49 mm
L/W Ratio1.00
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
6.60 mm6.60 mm1.69 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG515211426
Side View
Table 67.0%Crown 38.6°Girdle: STK-THKPavilion 38.1°Culet: NoneDepth 68.0%

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 28
Current: HK$21,893 HKD|Low: HK$3,382 HKD|High: HK$22,122 HKD|Avg: HK$8,431 HKD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 6HK$4,731 HKD
Retailer 8HK$5,218 HKD
Retailer 7HK$6,316 HKD
Retailer 3HK$7,678 HKD
Retailer 5HK$8,105 HKD
Retailer 2HK$8,130 HKD
Retailer 4HK$8,239 HKD
MOH LondonHK$21,893 HKD

41 data points across 8 retailers

8 retailersHK$4,731 HKD to HK$21,893 HKD

A
Cheapest Retailer
-
HK$4,731 HKD
$603 USD
Final sale: no returns
B+
Retailer 2
-
HK$5,218 HKD
$665 USD
View
B+
Retailer 3
-
HK$6,316 HKD
$805 USD
View
B+
Retailer 4
-
HK$7,678 HKD
€932 EUR
View
B
Retailer 5
-
HK$8,105 HKD
$1,033 USD
View
B
Retailer 6
-
HK$8,130 HKD
£816 GBP
View
B+
Retailer 7
-
HK$8,239 HKD
$1,050 USD
View
Price last confirmed 8 days ago
Most Expensive
B
MOH London
LG515211426 · Oct 26
HK$21,893 HKD
£2,197 GBP
View
7 more retailers have this diamond
Prices start from HK$4,731 HKDSave up to HK$17,162 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
1.69ct Cushion
HK$4,731 HKD