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Cushion|Lab Grown|IGI

1.55ct E SI1 Cushion Lab Grown Diamond

VG • E/SI1 • IGI LG825630871

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG825630871

Diamond specifications and retailer prices

From HK$1,687 HKD
$215 USD
As of October 28, 2026
Save HK$7,474 HKD (82%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$9,161 HKD at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

About this 1.55ct lab-grown cushion diamond

This 1.55ct 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 LG825630871 or 825630871. Listed at 8 retailers as of October 28, 2026, with prices from HK$1,687 to HK$9,161, a HK$7,474 spread on the same certified stone. Reve Diamonds lists it at HK$9,161. 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

1.55
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.1°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825630871
Dimensions7.51 × 5.99 × 4.14 mm
L/W Ratio1.25
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.51 mm5.99 mm1.55 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG825630871
Side View
Table 67.0%Crown 35.1°Girdle: STK-VTKPavilion 41.1°Culet: NoneDepth 69.1%

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 28
Current: HK$3,388 HKD|Low: HK$1,687 HKD|High: HK$9,161 HKD|Avg: HK$3,163 HKD|+1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Reve Diamonds
October 29, 2026
Retailer 6HK$1,687 HKD
Retailer 4HK$2,511 HKD
Retailer 2HK$3,155 HKD
Retailer 1HK$3,388 HKD
Retailer 5HK$3,704 HKD
Retailer 3HK$6,422 HKD
Reve DiamondsHK$9,161 HKD

19 data points across 7 retailers

8 retailersHK$1,687 HKD to HK$9,161 HKD

A
Cheapest Retailer
-
HK$1,687 HKD
$215 USD
Final sale: no returns
B+
Retailer 2
-
HK$2,511 HKD
$320 USD
View
B+
Retailer 3
-
HK$3,155 HKD
€383 EUR
View
A
Retailer 4
-
HK$3,388 HKD
£340 GBP
View
B+
Retailer 5
-
HK$3,704 HKD
$472 USD
View
B
Retailer 6
-
HK$6,422 HKD
$818 USD
View
B
Retailer 7
-
HK$8,631 HKD
$1,100 USD
View
Most Expensive
B
Reve Diamonds
69302FC56 · Oct 28
HK$9,161 HKD
$1,168 USD
View
7 more retailers have this diamond
Prices start from HK$1,687 HKDSave up to HK$7,474 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
1.55ct Cushion
HK$1,687 HKD