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Cushion|Lab Grown|IGI

1.03ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG816614864

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG816614864

Diamond specifications and retailer prices

From HK$3,102 HKD
£311 GBP
As of October 29, 2026
Save HK$17,688 HKD (85%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$20,790 HKD at Brilliant Earth · As of October 28, 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 LG816614864 or 816614864. Listed at 9 retailers as of October 28, 2026, with prices from HK$3,102 to HK$20,790, a HK$17,688 spread on the same certified stone. Brilliant Earth lists it at HK$20,790. 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 angle33.3°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816614864
Dimensions7.44 × 5.00 × 3.31 mm
L/W Ratio1.49
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
7.44 mm5.00 mm1.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816614864
Side View
Table 64.0%Crown 33.3°Girdle: STK-THKPavilion 35.6°Culet: NoneDepth 66.2%

Caratlytics Score

How it works →
A+
Exceptional
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 29
Current: HK$20,790 HKD|Low: HK$2,514 HKD|High: HK$25,732 HKD|Avg: HK$9,197 HKD|-19.2%
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 14HK$2,514 HKD
Retailer 3HK$2,801 HKD
Retailer 8HK$3,102 HKD
Retailer 11HK$4,480 HKD
Retailer 13HK$4,746 HKD
Retailer 5HK$5,131 HKD
Retailer 15HK$7,001 HKD
Retailer 7HK$7,784 HKD
Retailer 12HK$8,120 HKD
Retailer 10HK$8,580 HKD
Retailer 4HK$10,455 HKD
Retailer 2HK$12,066 HKD
Retailer 6HK$14,257 HKD
Retailer 9HK$19,456 HKD
Brilliant EarthHK$20,790 HKD

28 data points across 15 retailers

9 retailersHK$3,102 HKD to HK$20,790 HKD

A+
Cheapest Retailer
-
HK$3,102 HKD
£311 GBP
A
Retailer 2
-
HK$4,480 HKD
$571 USD
View
A
Retailer 3
-
HK$4,746 HKD
$605 USD
View
B+
Retailer 4
-
HK$8,120 HKD
$1,035 USD
View
B+
Retailer 5
-
HK$8,580 HKD
$1,094 USD
View
B+
Retailer 6
-
HK$10,455 HKD
$1,333 USD
View
Price last confirmed 70 days ago
B+
Retailer 7
-
HK$12,066 HKD
£1,211 GBP
View
B
Retailer 8
-
HK$19,456 HKD
$2,480 USD
View
Most Expensive
B
Brilliant Earth
21596068Y · Oct 28
HK$20,790 HKD
$2,650 USD
View
8 more retailers have this diamond
Prices start from HK$3,102 HKDSave up to HK$17,688 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$3,102 HKD