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Cushion|Lab Grown|IGI

1.59ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG710553301

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG710553301

Diamond specifications and retailer prices

From HK$3,978 HKD
$507 USD
As of November 1, 2026
Save HK$16,108 HKD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$20,086 HKD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.59ct lab-grown cushion diamond

This 1.59ct 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 LG710553301 or 710553301. Listed at 18 retailers as of November 1, 2026, with prices from HK$3,978 to HK$20,086, a HK$16,108 spread on the same certified stone. Brilliant Earth lists it at HK$20,086. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.59
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.8°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG710553301
Dimensions8.42 × 5.68 × 3.90 mm
L/W Ratio1.48
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.42 mm5.68 mm1.59 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG710553301
Side View
Table 58.0%Crown 31.8°Girdle: MED-STKPavilion 35°Culet: NoneDepth 68.7%

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 1
Current: HK$20,086 HKD|Low: HK$3,978 HKD|High: HK$24,244 HKD|Avg: HK$11,345 HKD|-17.2%
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
November 2, 2026
Retailer 6HK$3,978 HKD
Retailer 14HK$4,402 HKD
Retailer 16HK$6,669 HKD
Retailer 10HK$6,863 HKD
Retailer 4HK$6,881 HKD
Retailer 11HK$7,231 HKD
Retailer 15HK$7,313 HKD
Retailer 5HK$9,156 HKD
Retailer 2HK$10,302 HKD
Retailer 17HK$12,186 HKD
Retailer 8HK$13,964 HKD
Retailer 9HK$14,411 HKD
Retailer 3HK$14,719 HKD
Retailer 7HK$15,695 HKD
Retailer 12HK$16,182 HKD
Retailer 13HK$18,713 HKD
Brilliant EarthHK$20,086 HKD

44 data points across 17 retailers

18 retailersHK$3,978 HKD to HK$20,086 HKD

A
Cheapest Retailer
-
HK$3,978 HKD
$507 USD
Final sale: no returns
Retailer 2
-
HK$4,402 HKD
$561 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
HK$6,669 HKD
$850 USD
View
A
Retailer 4
-
HK$6,863 HKD
€833 EUR
View
A
Retailer 5
-
HK$6,881 HKD
$877 USD
View
A
Retailer 6
-
HK$7,231 HKD
£726 GBP
View
A
Retailer 7
-
HK$7,313 HKD
$932 USD
View
A
Retailer 8
-
HK$9,156 HKD
$1,167 USD
View
A
Retailer 9
-
HK$10,302 HKD
$1,313 USD
View
B+
Retailer 10
-
HK$12,186 HKD
$1,553 USD
View
B+
Retailer 11
-
HK$13,964 HKD
SGD 2,405 SGD
View
B+
Retailer 12
-
HK$14,411 HKD
$1,837 USD
View
B+
Retailer 13
-
HK$14,719 HKD
$1,876 USD
View
B+
Retailer 14
-
HK$15,695 HKD
$2,000 USD
View
B+
Retailer 15
-
HK$16,182 HKD
£1,624 GBP
View
Retailer 16
-
HK$18,713 HKD
$2,385 USD
View
Price last confirmed 12 days ago
Retailer 17
-
HK$18,909 HKD
$2,410 USD
View
Price last confirmed 25 days ago
Most Expensive
B+
Brilliant Earth
14795915A · Nov 2
HK$20,086 HKD
$2,560 USD
View
17 more retailers have this diamond
Prices start from HK$3,978 HKDSave up to HK$16,108 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
1.59ct Cushion
HK$3,978 HKD