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Cushion|Lab Grown|IGI

1.70ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG750524534

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG750524534

Diamond specifications and retailer prices

From HK$3,656 HKD
$466 USD
As of October 28, 2026
Save HK$31,098 HKD (89%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$34,754 HKD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.7ct lab-grown cushion diamond

This 1.7ct 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 LG750524534 or 750524534. Listed at 10 retailers as of October 28, 2026, with prices from HK$3,656 to HK$34,754, a HK$31,098 spread on the same certified stone. Brilliant Earth lists it at HK$34,754. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG750524534
Dimensions8.67 × 5.81 × 3.97 mm
L/W Ratio1.49
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.67 mm5.81 mm1.70 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG750524534
Side View
Table 57.0%Crown 34.5°Girdle: MED-THKPavilion 39.4°Culet: NoneDepth 68.3%

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 28
Current: HK$34,754 HKD|Low: HK$2,612 HKD|High: HK$35,852 HKD|Avg: HK$13,784 HKD|-3.1%
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
October 29, 2026
Retailer 15HK$3,656 HKD
Retailer 13HK$5,468 HKD
Retailer 12HK$5,484 HKD
Retailer 9HK$5,492 HKD
Retailer 2HK$8,745 HKD
Retailer 4HK$8,900 HKD
Retailer 11HK$9,030 HKD
Retailer 10HK$10,313 HKD
Retailer 7HK$13,188 HKD
Retailer 8HK$14,795 HKD
Retailer 5HK$16,141 HKD
Retailer 3HK$16,530 HKD
Retailer 6HK$18,944 HKD
Retailer 14HK$24,477 HKD
Brilliant EarthHK$34,754 HKD

22 data points across 15 retailers

10 retailersHK$3,656 HKD to HK$34,754 HKD

A
Cheapest Retailer
-
HK$3,656 HKD
$466 USD
Final sale: no returns
A
Retailer 2
-
HK$5,468 HKD
$697 USD
View
A
Retailer 3
-
HK$5,484 HKD
$699 USD
View
A
Retailer 4
-
HK$5,492 HKD
$700 USD
View
A
Retailer 5
-
HK$8,745 HKD
A$1,715 AUD
View
A
Retailer 6
-
HK$9,030 HKD
$1,151 USD
View
A
Retailer 7
-
HK$10,313 HKD
$1,315 USD
View
B+
Retailer 8
-
HK$14,795 HKD
£1,485 GBP
View
B
Retailer 9
-
HK$24,477 HKD
$3,120 USD
View
Most Expensive
B
Brilliant Earth
21406205Y · Oct 28
HK$34,754 HKD
$4,430 USD
View
9 more retailers have this diamond
Prices start from HK$3,656 HKDSave up to HK$31,098 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
1.70ct Cushion
HK$3,656 HKD