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Cushion|Lab Grown|IGI

1.51ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG752544832

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG752544832

Diamond specifications and retailer prices

From HK$1,724 HKD
As of November 6, 2026
Save HK$7,549 HKD (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$9,273 HKD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.51ct lab-grown cushion diamond

This 1.51ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG752544832 or 752544832. Listed at 13 retailers as of November 6, 2026, with prices from HK$1,724 to HK$9,273, a HK$7,549 spread on the same certified stone. Reve Diamonds lists it at HK$9,273. 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

1.51
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG752544832
Dimensions7.75 × 5.96 × 3.81 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.75 mm5.96 mm1.51 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG752544832
Side View
Table 62.0%Crown 34.2°Girdle: MED-THKPavilion 37.3°Culet: NoneDepth 63.9%

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$3,182 HKD|Low: HK$1,724 HKD|High: HK$9,248 HKD|Avg: HK$4,721 HKD|+2.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 2HK$1,724 HKD
Retailer 9HK$1,912 HKD
Retailer 1HK$3,182 HKD
Retailer 8HK$3,323 HKD
Retailer 3HK$3,456 HKD
Retailer 10HK$3,927 HKD
Retailer 6HK$4,985 HKD
Retailer 4HK$5,839 HKD
Retailer 7HK$7,994 HKD
Retailer 5HK$8,935 HKD

44 data points across 10 retailers

13 retailersHK$1,724 HKD to HK$9,273 HKD

A
Cheapest Retailer
-
HK$1,724 HKD
Final sale: no returns
Retailer 2
-
HK$1,912 HKD
View
Price last confirmed 12 days ago
A
Retailer 3
-
HK$3,182 HKD
View
B+
Retailer 4
-
HK$3,323 HKD
View
A
Retailer 5
-
HK$3,456 HKD
View
A
Retailer 6
-
HK$3,550 HKD
View
A
Retailer 7
-
HK$3,927 HKD
View
B+
Retailer 8
-
HK$4,985 HKD
View
B+
Retailer 9
-
HK$5,839 HKD
View
B+
Retailer 10
-
HK$6,560 HKD
View
B
Retailer 11
-
HK$7,994 HKD
View
B
Retailer 12
-
HK$8,935 HKD
View
Most Expensive
B
Reve Diamonds
B304BF3D5 · Nov 6
HK$9,273 HKD
$1,183 USD
View
12 more retailers have this diamond
Prices start from HK$1,724 HKDSave up to HK$7,549 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
1.51ct Cushion
HK$1,724 HKD