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Cushion|Lab Grown|IGI

1.04ct E SI1 Cushion Lab Grown Diamond

EX • E/SI1 • IGI LG811699434

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG811699434

Diamond specifications and retailer prices

From HK$1,183 HKD
As of November 6, 2026
Save HK$6,552 HKD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$11,038 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 1.04ct lab-grown cushion diamond

This 1.04ct 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 LG811699434 or 811699434. Listed at 14 retailers as of November 6, 2026, with a 554% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.04
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811699434
Dimensions7.54 × 5.07 × 3.39 mm
L/W Ratio1.49
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.54 mm5.07 mm1.04 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811699434
Side View
Table 61.0%Crown 32.8°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 66.9%

Caratlytics Score

How it works →
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: Nov 6
Current: HK$11,038 HKD|Low: HK$1,183 HKD|High: HK$11,118 HKD|Avg: HK$3,577 HKD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 7HK$1,183 HKD
Retailer 3HK$2,202 HKD
Retailer 2HK$2,265 HKD
Retailer 5HK$2,492 HKD
Retailer 8HK$2,539 HKD
Retailer 4HK$3,213 HKD
Retailer 6HK$3,919 HKD
MOH LondonHK$11,038 HKD

42 data points across 8 retailers

14 retailersHK$1,183 HKD to HK$7,736 HKD

A
Cheapest Retailer
-
HK$1,183 HKD
Final sale: no returns
A
Retailer 2
-
HK$1,505 HKD
View
B+
Retailer 3
-
HK$1,842 HKD
View
A
Retailer 4
-
HK$2,202 HKD
View
A
Retailer 5
-
HK$2,265 HKD
View
A
Retailer 6
-
HK$2,422 HKD
View
A
Retailer 7
-
HK$2,492 HKD
View
A
Retailer 8
-
HK$2,539 HKD
View
A
Retailer 9
-
HK$3,213 HKD
View
B+
Retailer 10
-
HK$3,637 HKD
View
B+
Retailer 11
-
HK$3,919 HKD
View
B+
Retailer 12
-
HK$4,663 HKD
View
B
Retailer 13
-
HK$7,736 HKD
View
Most Expensive
MOH London
LG811699434 · Oct 29
HK$11,038 HKD
£1,109 GBP
View
Price last confirmed 8 days ago
13 more retailers have this diamond
Prices start from HK$1,183 HKDSave up to HK$6,552 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
1.04ct Cushion
HK$1,183 HKD