CaratHunter
Plans
Cushion|Lab Grown|IGI

1.02ct E SI1 Cushion Lab Grown Diamond

GD • E/SI1 • IGI LG478112710

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG478112710

Diamond specifications and retailer prices

From HK$3,806 HKD
$485 USD
As of October 28, 2026
Save HK$9,308 HKD (71%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$13,114 HKD at MOH London · As of October 25, 2026
View at MOH London

About this 1.02ct lab-grown cushion diamond

This 1.02ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG478112710 or 478112710. Listed at 5 retailers as of October 25, 2026, with prices from HK$3,806 to HK$13,114, a HK$9,308 spread on the same certified stone. MOH London lists it at HK$13,114. 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

1.02
Carat
E
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.4°
Pavilion angle33.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG478112710
Dimensions5.74 × 5.58 × 3.73 mm
L/W Ratio1.03
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
5.74 mm5.58 mm1.02 ctE / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG478112710
Side View
Table 59.5%Crown 37.4°Girdle: MED-THKPavilion 33.9°Culet: NoneDepth 66.8%

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 28
Current: HK$13,114 HKD|Low: HK$3,586 HKD|High: HK$13,253 HKD|Avg: HK$6,382 HKD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 6HK$3,586 HKD
Retailer 4HK$3,806 HKD
Retailer 3HK$5,108 HKD
Retailer 5HK$5,281 HKD
Retailer 2HK$5,858 HKD
Retailer 7HK$8,759 HKD
MOH LondonHK$13,114 HKD

41 data points across 7 retailers

5 retailersHK$3,806 HKD to HK$13,114 HKD

B+
Cheapest Retailer
-
HK$3,806 HKD
$485 USD
B
Retailer 2
-
HK$5,108 HKD
€620 EUR
View
B
Retailer 3
-
HK$5,281 HKD
$673 USD
View
B
Retailer 4
-
HK$5,858 HKD
£588 GBP
View
Most Expensive
C
MOH London
LG478112710 · Oct 25
HK$13,114 HKD
£1,316 GBP
View
4 more retailers have this diamond
Prices start from HK$3,806 HKDSave up to HK$9,308 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+
1.02ct Cushion
HK$3,806 HKD