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Cushion|Lab Grown|IGI

1.03ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG830622469

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG830622469

Diamond specifications and retailer prices

From HK$3,609 HKD
$460 USD
As of October 25, 2026
Save HK$14,436 HKD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$18,045 HKD at Brilliant Earth · As of October 30, 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG830622469 or 830622469. Listed at 13 retailers as of October 25, 2026, with prices from HK$3,609 to HK$18,045, a HK$14,436 spread on the same certified stone. Brilliant Earth lists it at HK$18,045. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.8°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830622469
Dimensions7.53 × 5.02 × 3.46 mm
L/W Ratio1.50
Girdle conditionFaceted
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
7.53 mm5.02 mm1.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830622469
Side View
Table 59.0%Crown 31.8°Girdle: STK-THKPavilion 38.9°Culet: NoneDepth 68.9%

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 25
Current: HK$18,045 HKD|Low: HK$3,609 HKD|High: HK$21,654 HKD|Avg: HK$9,001 HKD|-16.7%
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 31, 2026
Retailer 10HK$3,609 HKD
Retailer 11HK$4,919 HKD
Retailer 9HK$4,943 HKD
Retailer 6HK$5,734 HKD
Retailer 13HK$5,767 HKD
Retailer 8HK$6,197 HKD
Retailer 2HK$6,513 HKD
Retailer 3HK$9,007 HKD
Retailer 4HK$9,580 HKD
Retailer 5HK$10,749 HKD
Retailer 12HK$11,902 HKD
Retailer 7HK$14,169 HKD
Brilliant EarthHK$18,045 HKD

40 data points across 13 retailers

13 retailersHK$3,609 HKD to HK$18,045 HKD

A
Cheapest Retailer
-
HK$3,609 HKD
$460 USD
A
Retailer 2
-
HK$4,919 HKD
$627 USD
View
A
Retailer 3
-
HK$4,943 HKD
$630 USD
View
A
Retailer 4
-
HK$5,734 HKD
€696 EUR
View
A
Retailer 5
-
HK$5,767 HKD
$735 USD
View
A
Retailer 6
-
HK$6,197 HKD
ZAR 12,761 ZAR
View
A
Retailer 7
-
HK$6,513 HKD
£654 GBP
View
B+
Retailer 8
-
HK$9,007 HKD
$1,148 USD
View
B+
Retailer 9
-
HK$9,580 HKD
SGD 1,650 SGD
View
Retailer 10
-
HK$10,749 HKD
$1,370 USD
View
Price last confirmed 12 days ago
B+
Retailer 11
-
HK$11,902 HKD
$1,517 USD
View
B+
Retailer 12
-
HK$14,169 HKD
£1,422 GBP
View
Most Expensive
B
Brilliant Earth
21433979A · Oct 30
HK$18,045 HKD
$2,300 USD
View
12 more retailers have this diamond
Prices start from HK$3,609 HKDSave up to HK$14,436 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$3,609 HKD