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Cushion|Lab Grown|IGI

1.51ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG696549525

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG696549525

Diamond specifications and retailer prices

From HK$6,253 HKD
$797 USD
As of October 30, 2026
Save HK$21,285 HKD (77%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$27,538 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG696549525 or 696549525. Listed at 19 retailers as of October 30, 2026, with prices from HK$6,253 to HK$27,538, a HK$21,285 spread on the same certified stone. Brilliant Earth lists it at HK$27,538. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG696549525
Dimensions8.54 × 5.67 × 3.91 mm
L/W Ratio1.51
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.54 mm5.67 mm1.51 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG696549525
Side View
Table 66.0%Crown 35.3°Girdle: STK-THKPavilion 38.8°Culet: NoneDepth 69.0%

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$27,538 HKD|Low: HK$6,253 HKD|High: HK$27,538 HKD|Avg: HK$15,786 HKD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 1, 2026
Retailer 9HK$6,253 HKD
Retailer 5HK$6,481 HKD
Retailer 7HK$7,242 HKD
Retailer 19HK$7,257 HKD
Retailer 3HK$10,215 HKD
Retailer 12HK$10,386 HKD
Retailer 13HK$10,833 HKD
Retailer 16HK$11,907 HKD
Retailer 15HK$13,295 HKD
Retailer 18HK$15,487 HKD
Retailer 14HK$16,130 HKD
Retailer 8HK$20,088 HKD
Retailer 17HK$20,163 HKD
Retailer 10HK$22,177 HKD
Retailer 11HK$22,333 HKD
Retailer 4HK$22,784 HKD
Retailer 6HK$25,043 HKD
Retailer 2HK$25,438 HKD
Brilliant EarthHK$27,538 HKD

42 data points across 19 retailers

19 retailersHK$6,253 HKD to HK$27,538 HKD

A
Cheapest Retailer
-
HK$6,253 HKD
$797 USD
Final sale: no returns
Retailer 2
-
HK$6,481 HKD
$826 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
HK$7,242 HKD
$923 USD
View
A
Retailer 4
-
HK$7,257 HKD
$925 USD
View
A
Retailer 5
-
HK$10,215 HKD
$1,302 USD
View
A
Retailer 6
-
HK$10,386 HKD
£1,042 GBP
View
A
Retailer 7
-
HK$10,833 HKD
€1,315 EUR
View
B+
Retailer 8
-
HK$11,907 HKD
ZAR 24,517 ZAR
View
B+
Retailer 9
-
HK$13,295 HKD
A$2,607 AUD
View
B+
Retailer 10
-
HK$15,487 HKD
$1,974 USD
View
B+
Retailer 11
-
HK$16,130 HKD
A$3,163 AUD
View
B+
Retailer 12
-
HK$20,088 HKD
£2,016 GBP
View
Retailer 13
-
HK$20,163 HKD
$2,570 USD
View
Price last confirmed 11 days ago
B
Retailer 14
-
HK$22,177 HKD
$2,827 USD
View
B
Retailer 15
-
HK$22,333 HKD
$2,846 USD
View
B+
Retailer 16
-
HK$22,784 HKD
$2,904 USD
View
B
Retailer 17
-
HK$25,438 HKD
£2,553 GBP
View
B
Retailer 18
-
HK$25,553 HKD
$3,257 USD
View
Most Expensive
B
Brilliant Earth
16916049A · Oct 31
HK$27,538 HKD
$3,510 USD
View
18 more retailers have this diamond
Prices start from HK$6,253 HKDSave up to HK$21,285 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$6,253 HKD