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Cushion|Lab Grown|IGI

1.02ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG818688945

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG818688945

Diamond specifications and retailer prices

From HK$1,146 HKD
$146 USD
As of October 30, 2026
Save HK$9,656 HKD (89%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$10,802 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 top-tier cut grade and certified by IGI LG818688945 or 818688945. Listed at 13 retailers as of October 25, 2026, with prices from HK$1,146 to HK$10,802, a HK$9,656 spread on the same certified stone. MOH London lists it at HK$10,802. 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

1.02
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle29.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818688945
Dimensions7.11 × 5.05 × 3.20 mm
L/W Ratio1.41
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.11 mm5.05 mm1.02 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818688945
Side View
Table 61.0%Crown 32.8°Girdle: STK-VTKPavilion 29.8°Culet: NoneDepth 63.4%

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 30
Current: HK$10,802 HKD|Low: HK$824 HKD|High: HK$10,912 HKD|Avg: HK$3,194 HKD|+0.2%
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 9HK$1,146 HKD
Retailer 3HK$1,295 HKD
Retailer 12HK$1,726 HKD
Retailer 2HK$2,148 HKD
Retailer 5HK$2,275 HKD
Retailer 6HK$2,307 HKD
Retailer 8HK$2,425 HKD
Retailer 13HK$3,201 HKD
Retailer 11HK$3,536 HKD
Retailer 10HK$4,545 HKD
Retailer 4HK$4,551 HKD
Retailer 7HK$7,643 HKD
MOH LondonHK$10,802 HKD

42 data points across 13 retailers

13 retailersHK$1,146 HKD to HK$10,802 HKD

A
Cheapest Retailer
-
HK$1,146 HKD
$146 USD
Final sale: no returns
A
Retailer 2
-
HK$1,295 HKD
$165 USD
View
B+
Retailer 3
-
HK$1,726 HKD
$220 USD
View
A
Retailer 4
-
HK$2,148 HKD
£216 GBP
View
A
Retailer 5
-
HK$2,275 HKD
$290 USD
View
A
Retailer 6
-
HK$2,307 HKD
€280 EUR
View
A
Retailer 7
-
HK$2,425 HKD
£243 GBP
View
Retailer 8
-
HK$3,201 HKD
$408 USD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
HK$3,536 HKD
SGD 609 SGD
View
B
Retailer 10
-
HK$4,545 HKD
$579 USD
View
B
Retailer 11
-
HK$4,551 HKD
$580 USD
View
B
Retailer 12
-
HK$7,643 HKD
$974 USD
View
Most Expensive
B
MOH London
LG818688945 · Oct 25
HK$10,802 HKD
£1,084 GBP
View
12 more retailers have this diamond
Prices start from HK$1,146 HKDSave up to HK$9,656 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
1.02ct Cushion
HK$1,146 HKD