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Cushion|Lab Grown|IGI

1.02ct E SI1 Cushion Lab Grown Diamond

VG • E/SI1 • IGI LG400942192

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG400942192

Diamond specifications and retailer prices

From HK$6,065 HKD
$773 USD
As of October 30, 2026
Save HK$4,151 HKD (41%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$10,216 HKD at Loose Grown Diamond · As of October 28, 2026
View at Loose Grown Diamond

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 very-good cut grade and certified by IGI LG400942192 or 400942192. Listed at 8 retailers as of October 28, 2026, with prices from HK$6,065 to HK$10,216, a HK$4,151 spread on the same certified stone. Loose Grown Diamond lists it at HK$10,216. 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
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.2°
Pavilion angle33.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG400942192
Dimensions5.79 × 5.73 × 3.57 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by high pressure high temperature process (HPHT) Type II
Top View
5.79 mm5.73 mm1.02 ctE / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG400942192
Side View
Table 64.5%Crown 33.2°Girdle: STK-VTKPavilion 33.8°Culet: NoneDepth 62.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$10,216 HKD|Low: HK$6,065 HKD|High: HK$24,962 HKD|Avg: HK$10,163 HKD
Loose Grown Diamond
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 8HK$6,065 HKD
Retailer 7HK$6,277 HKD
Retailer 6HK$7,140 HKD
Retailer 5HK$7,650 HKD
Retailer 2HK$8,732 HKD
Retailer 3HK$10,058 HKD
Loose Grown DiamondHK$10,216 HKD
Retailer 4HK$24,793 HKD

44 data points across 8 retailers

8 retailersHK$6,065 HKD to HK$10,216 HKD

B
Cheapest Retailer
-
HK$6,065 HKD
$773 USD
Final sale: no returns
Retailer 2
-
HK$6,277 HKD
$800 USD
View
Price last confirmed 13 days ago
B
Retailer 3
-
HK$7,140 HKD
$910 USD
View
B
Retailer 4
-
HK$7,650 HKD
$975 USD
View
B
Retailer 5
-
HK$8,732 HKD
£876 GBP
View
B
Retailer 6
-
HK$10,058 HKD
£1,009 GBP
View
Most Expensive
C
Loose Grown Diamond
400942192 · Oct 28
HK$10,216 HKD
$1,302 USD
View
6 more retailers have this diamond
Prices start from HK$6,065 HKDSave up to HK$4,151 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$6,065 HKD