Cushion|Lab Grown|IGI

1.03ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG658492610

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG658492610

Diamond specifications and retailer prices

From HK$12,827 HKD
$1,635 USD
As of October 24, 2026
Save HK$2,786 HKD (18%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$15,613 HKD at Brilliant Earth · As of October 24, 2026
View at Brilliant Earth

About this 1.03ct lab-grown cushion diamond

This 1.03ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG658492610 or 658492610. Listed at 17 retailers as of October 24, 2026, with prices from HK$12,827 to HK$15,613, a HK$2,786 spread on the same certified stone. Brilliant Earth lists it at HK$15,613. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.9°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG658492610
Dimensions7.51 × 4.98 × 3.42 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
7.51 mm4.98 mm1.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG658492610
Side View
Table 59.0%Crown 38.9°Girdle: STK-THKPavilion 36.5°Culet: NoneDepth 68.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 24
Current: HK$15,613 HKD|Low: HK$3,515 HKD|High: HK$15,613 HKD|Avg: HK$7,814 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
October 24, 2026
Retailer 5HK$3,515 HKD
Retailer 3HK$3,899 HKD
Retailer 12HK$5,060 HKD
Retailer 11HK$5,335 HKD
Retailer 7HK$6,080 HKD
Retailer 2HK$6,300 HKD
Retailer 6HK$6,601 HKD
Retailer 13HK$8,415 HKD
Retailer 4HK$9,542 HKD
Retailer 10HK$9,587 HKD
Retailer 8HK$10,160 HKD
Retailer 9HK$15,335 HKD
Brilliant EarthHK$15,613 HKD

35 data points across 13 retailers

17 retailersHK$12,827 HKD to HK$15,613 HKD

Retailer 1
-
HK$3,899 HKD
$497 USD
Price last confirmed 14 days ago
Retailer 2
-
HK$4,072 HKD
$519 USD
View
Price last confirmed 7 days ago
Retailer 3
-
HK$5,060 HKD
$645 USD
View
Price last confirmed 7 days ago
Retailer 4
-
HK$5,335 HKD
$680 USD
View
Price last confirmed 7 days ago
Retailer 5
-
HK$6,080 HKD
€738 EUR
View
Price last confirmed 7 days ago
Retailer 6
-
HK$6,300 HKD
£632 GBP
View
Price last confirmed 7 days ago
Retailer 7
-
HK$6,601 HKD
ZAR 13,592 ZAR
View
Price last confirmed 7 days ago
Retailer 8
-
HK$8,415 HKD
A$1,650 AUD
View
Price last confirmed 22 days ago
Retailer 9
-
HK$9,542 HKD
A$1,871 AUD
View
Price last confirmed 33 days ago
Retailer 10
-
HK$9,587 HKD
$1,222 USD
View
Price last confirmed 7 days ago
Retailer 11
-
HK$10,160 HKD
$1,295 USD
View
Price last confirmed 12 days ago
Retailer 12
-
HK$11,359 HKD
£1,140 GBP
View
Price last confirmed 7 days ago
B
Retailer 13
-
HK$12,827 HKD
$1,635 USD
View
Retailer 14
-
HK$14,401 HKD
$1,836 USD
View
Price last confirmed 7 days ago
Retailer 15
-
HK$14,609 HKD
$1,862 USD
View
Price last confirmed 7 days ago
Retailer 16
-
HK$15,335 HKD
£1,539 GBP
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
14014278A · Oct 24
HK$15,613 HKD
$1,990 USD
View
16 more retailers have this diamond
Prices start from HK$12,827 HKDSave up to HK$2,786 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.

B
1.03ct Cushion
HK$12,827 HKD