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Cushion|Lab Grown|IGI

1.01ct H SI1 Cushion Lab Grown Diamond

EX • H/SI1 • IGI LG783632711

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG783632711

Diamond specifications and retailer prices

From HK$1,818 HKD
As of November 6, 2026
Save HK$4,373 HKD (71%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$9,820 HKD at Reve Diamonds · As of October 25, 2026
View at Reve Diamonds

About this 1.01ct lab-grown cushion diamond

This 1.01ct lab-grown cushion sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG783632711 or 783632711. Listed at 10 retailers as of November 6, 2026, with a 241% 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

1.01
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783632711
Dimensions8.44 × 4.78 × 2.97 mm
L/W Ratio1.77
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.44 mm4.78 mm1.01 ctH / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG783632711
Side View
Table 57.0%Crown 34°Girdle: MED-VTKPavilion 39.2°Culet: LargeDepth 62.1%

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: Nov 6
Current: HK$2,336 HKD|Low: HK$1,567 HKD|High: HK$9,820 HKD|Avg: HK$4,995 HKD|-19.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Reve Diamonds
November 6, 2026
Retailer 7HK$1,818 HKD
Retailer 2HK$1,912 HKD
Retailer 6HK$2,234 HKD
Retailer 1HK$2,336 HKD
Retailer 8HK$2,539 HKD
Retailer 4HK$3,300 HKD
Retailer 10HK$4,546 HKD
Retailer 3HK$5,690 HKD
Retailer 5HK$6,192 HKD
Retailer 11HK$7,242 HKD
Retailer 9HK$8,558 HKD
Reve DiamondsHK$9,820 HKD

25 data points across 12 retailers

10 retailersHK$1,818 HKD to HK$6,192 HKD

B+
Cheapest Retailer
-
HK$1,818 HKD
A
Retailer 2
-
HK$2,234 HKD
View
A
Retailer 3
-
HK$2,336 HKD
View
Retailer 4
-
HK$2,539 HKD
View
Price last confirmed 10 days ago
A
Retailer 5
-
HK$3,300 HKD
View
Retailer 6
-
HK$4,546 HKD
View
Price last confirmed 12 days ago
B+
Retailer 7
-
HK$6,192 HKD
View
Retailer 8
-
HK$7,242 HKD
View
Price last confirmed 11 days ago
Retailer 9
-
HK$8,558 HKD
View
Price last confirmed 19 days ago
Most Expensive
Reve Diamonds
B84B243B2 · Oct 25
HK$9,820 HKD
$1,253 USD
View
Price last confirmed 12 days ago
9 more retailers have this diamond
Prices start from HK$1,818 HKDSave up to HK$4,373 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
1.01ct Cushion
HK$1,818 HKD