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Cushion|Lab Grown|IGI

1.85ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG735510595

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG735510595

Diamond specifications and retailer prices

From HK$4,880 HKD
$622 USD
As of October 28, 2026
Save HK$25,485 HKD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$30,366 HKD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.85ct lab-grown cushion diamond

This 1.85ct 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 LG735510595 or 735510595. Listed at 18 retailers as of October 28, 2026, with prices from HK$4,880 to HK$30,366, a HK$25,485 spread on the same certified stone. Brilliant Earth lists it at HK$30,366. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.85
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735510595
Dimensions7.32 × 7.14 × 4.76 mm
L/W Ratio1.03
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
7.32 mm7.14 mm1.85 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735510595
Side View
Table 64.0%Crown 35.1°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 66.7%

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: Oct 28
Current: HK$30,366 HKD|Low: HK$4,880 HKD|High: HK$32,249 HKD|Avg: HK$13,466 HKD|-3.0%
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
October 29, 2026
Retailer 3HK$4,880 HKD
Retailer 10HK$5,759 HKD
Retailer 7HK$5,926 HKD
Retailer 14HK$6,238 HKD
Retailer 16HK$7,203 HKD
Retailer 11HK$8,272 HKD
Retailer 4HK$8,333 HKD
Retailer 2HK$8,397 HKD
Retailer 13HK$9,282 HKD
Retailer 17HK$12,185 HKD
Retailer 9HK$14,418 HKD
Retailer 15HK$15,784 HKD
Retailer 6HK$17,065 HKD
Retailer 18HK$17,518 HKD
Retailer 5HK$18,257 HKD
Retailer 8HK$18,792 HKD
Retailer 12HK$23,577 HKD
Brilliant EarthHK$30,366 HKD

42 data points across 18 retailers

18 retailersHK$4,880 HKD to HK$30,366 HKD

A
Cheapest Retailer
-
HK$4,880 HKD
$622 USD
Final sale: no returns
A
Retailer 2
-
HK$5,759 HKD
$734 USD
View
Price last confirmed 13 days ago
A
Retailer 3
-
HK$5,926 HKD
View
A
Retailer 4
-
HK$6,238 HKD
$795 USD
View
A
Retailer 5
-
HK$7,203 HKD
$918 USD
View
A
Retailer 6
-
HK$8,272 HKD
€1,004 EUR
View
A
Retailer 7
-
HK$8,333 HKD
$1,062 USD
View
A
Retailer 8
-
HK$8,397 HKD
£843 GBP
View
A
Retailer 9
-
HK$9,282 HKD
ZAR 19,111 ZAR
View
A
Retailer 10
-
HK$12,185 HKD
$1,553 USD
View
B+
Retailer 11
-
HK$14,418 HKD
A$2,827 AUD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
HK$15,784 HKD
£1,584 GBP
View
B+
Retailer 13
-
HK$17,065 HKD
SGD 2,939 SGD
View
B+
Retailer 14
-
HK$17,518 HKD
$2,233 USD
View
B+
Retailer 15
-
HK$18,257 HKD
$2,327 USD
View
B+
Retailer 16
-
HK$18,792 HKD
$2,395 USD
View
B+
Retailer 17
-
HK$23,577 HKD
£2,366 GBP
View
Most Expensive
B
Brilliant Earth
19055718A · Oct 28
HK$30,366 HKD
$3,870 USD
View
17 more retailers have this diamond
Prices start from HK$4,880 HKDSave up to HK$25,485 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
1.85ct Cushion
HK$4,880 HKD