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Cushion|Lab Grown|IGI

1.54ct I SI1 Cushion Lab Grown Diamond

VG • I/SI1 • IGI LG651492620

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG651492620

Diamond specifications and retailer prices

From HK$3,587 HKD
£360 GBP
As of October 29, 2026
Save HK$13,359 HKD (79%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$16,945 HKD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.54ct lab-grown cushion diamond

This 1.54ct lab-grown cushion sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG651492620 or 651492620. Listed at 5 retailers as of October 29, 2026, with prices from HK$3,587 to HK$16,945, a HK$13,359 spread on the same certified stone. Do Amore Diamonds lists it at HK$16,945. 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

1.54
Carat
I
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle42.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG651492620
Dimensions7.72 × 6.19 × 4.30 mm
L/W Ratio1.25
Girdle conditionFaceted
Culet sizePointed
Cert comments
Pre-existing laser inscription on girdle. This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process.. Indications of post-growth treatment.
Top View
7.72 mm6.19 mm1.54 ctI / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG651492620
Side View
Table 61.0%Crown 34.2°Girdle: MED-STKPavilion 42.5°Culet: NoneDepth 69.5%

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 29
Current: HK$16,945 HKD|Low: HK$2,769 HKD|High: HK$18,750 HKD|Avg: HK$6,644 HKD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 9HK$2,769 HKD
Retailer 3HK$3,587 HKD
Retailer 10HK$4,040 HKD
Retailer 4HK$4,056 HKD
Retailer 5HK$4,385 HKD
Retailer 7HK$4,597 HKD
Retailer 6HK$6,155 HKD
Retailer 8HK$8,728 HKD
Retailer 2HK$10,760 HKD
Do Amore DiamondsHK$16,945 HKD

31 data points across 10 retailers

5 retailersHK$3,587 HKD to HK$16,945 HKD

A
Cheapest Retailer
-
HK$3,587 HKD
£360 GBP
B+
Retailer 2
-
HK$4,056 HKD
$517 USD
View
B+
Retailer 3
-
HK$4,385 HKD
$559 USD
View
B+
Retailer 4
-
HK$10,760 HKD
£1,080 GBP
View
Most Expensive
B
Do Amore Diamonds
7-1660134 · Oct 29
HK$16,945 HKD
$2,160 USD
View
4 more retailers have this diamond
Prices start from HK$3,587 HKDSave up to HK$13,359 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
1.54ct Cushion
HK$3,587 HKD