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Cushion|Lab Grown|IGI

1.03ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG685512701

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG685512701

Diamond specifications and retailer prices

From HK$3,758 HKD
$479 USD
As of October 30, 2026
Save HK$12,365 HKD (77%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$16,123 HKD at With Clarity · As of October 30, 2026
View at With Clarity

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 LG685512701 or 685512701. Listed at 15 retailers as of October 30, 2026, with prices from HK$3,758 to HK$16,123, a HK$12,365 spread on the same certified stone. With Clarity lists it at HK$16,123. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle40.2°
Pavilion angle42.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685512701
Dimensions6.15 × 5.94 × 4.03 mm
L/W Ratio1.04
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
6.15 mm5.94 mm1.03 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG685512701
Side View
Table 64.0%Crown 40.2°Girdle: MED-STKPavilion 42.8°Culet: NoneDepth 67.8%

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$3,758 HKD|Low: HK$3,727 HKD|High: HK$15,801 HKD|Avg: HK$8,713 HKD|-16.8%
Retailer 1
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
With Clarity
October 30, 2026
Retailer 1HK$3,758 HKD
Retailer 2HK$4,166 HKD
Retailer 13HK$5,178 HKD
Retailer 11HK$5,296 HKD
Retailer 14HK$5,900 HKD
Retailer 4HK$6,567 HKD
Retailer 7HK$6,875 HKD
Retailer 10HK$7,163 HKD
Retailer 8HK$7,348 HKD
Retailer 3HK$10,576 HKD
Retailer 6HK$13,654 HKD
Retailer 12HK$13,808 HKD
Retailer 5HK$15,084 HKD
Retailer 9HK$15,394 HKD
With ClarityHK$15,801 HKD

41 data points across 15 retailers

15 retailersHK$3,758 HKD to HK$16,123 HKD

A
Cheapest Retailer
-
HK$3,758 HKD
$479 USD
Final sale: no returns
A
Retailer 2
-
HK$4,166 HKD
$531 USD
View
A
Retailer 3
-
HK$5,178 HKD
$660 USD
View
A
Retailer 4
-
HK$5,296 HKD
$675 USD
View
A
Retailer 5
-
HK$5,900 HKD
$752 USD
View
B+
Retailer 6
-
HK$6,567 HKD
$837 USD
View
B+
Retailer 7
-
HK$6,875 HKD
£690 GBP
View
B+
Retailer 8
-
HK$7,163 HKD
ZAR 14,750 ZAR
View
B+
Retailer 9
-
HK$7,348 HKD
€892 EUR
View
B
Retailer 10
-
HK$10,576 HKD
$1,348 USD
View
B
Retailer 11
-
HK$13,654 HKD
$1,740 USD
View
B
Retailer 12
-
HK$13,808 HKD
$1,760 USD
View
B
Retailer 13
-
HK$15,084 HKD
$1,923 USD
View
B
Retailer 14
-
HK$15,394 HKD
£1,545 GBP
View
Most Expensive
B
With Clarity
685512701 · Oct 30
HK$16,123 HKD
$2,055 USD
View
14 more retailers have this diamond
Prices start from HK$3,758 HKDSave up to HK$12,365 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
1.03ct Cushion
HK$3,758 HKD