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Cushion|Lab Grown|IGI

1.13ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG818667583

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG818667583

Diamond specifications and retailer prices

From HK$3,240 HKD
$413 USD
As of October 31, 2026
Save HK$12,137 HKD (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$15,378 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.13ct lab-grown cushion diamond

This 1.13ct 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 LG818667583 or 818667583. Listed at 16 retailers as of October 31, 2026, with prices from HK$3,240 to HK$15,378, a HK$12,137 spread on the same certified stone. Brilliant Earth lists it at HK$15,378. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.13
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818667583
Dimensions7.73 × 5.16 × 3.44 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
7.73 mm5.16 mm1.13 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818667583
Side View
Table 65.0%Crown 35.8°Girdle: MED-STKPavilion 34.7°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 31
Current: HK$15,378 HKD|Low: HK$3,240 HKD|High: HK$20,028 HKD|Avg: HK$9,069 HKD|-22.5%
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
November 1, 2026
Retailer 12HK$3,240 HKD
Retailer 15HK$3,593 HKD
Retailer 9HK$3,698 HKD
Retailer 13HK$4,786 HKD
Retailer 11HK$5,676 HKD
Retailer 16HK$5,688 HKD
Retailer 5HK$5,735 HKD
Retailer 14HK$6,171 HKD
Retailer 10HK$6,484 HKD
Retailer 6HK$8,991 HKD
Retailer 4HK$11,855 HKD
Retailer 7HK$12,500 HKD
Retailer 8HK$12,867 HKD
Retailer 3HK$13,990 HKD
Retailer 2HK$14,029 HKD
Brilliant EarthHK$15,378 HKD

27 data points across 16 retailers

16 retailersHK$3,240 HKD to HK$15,378 HKD

A
Cheapest Retailer
-
HK$3,240 HKD
$413 USD
Final sale: no returns
Retailer 2
-
HK$3,593 HKD
$458 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
HK$3,698 HKD
£371 GBP
View
A
Retailer 4
-
HK$4,786 HKD
$610 USD
View
A
Retailer 5
-
HK$5,676 HKD
€689 EUR
View
A
Retailer 6
-
HK$5,688 HKD
$725 USD
View
A
Retailer 7
-
HK$5,735 HKD
$731 USD
View
A
Retailer 8
-
HK$6,171 HKD
ZAR 12,707 ZAR
View
A
Retailer 9
-
HK$6,484 HKD
£651 GBP
View
B+
Retailer 10
-
HK$8,991 HKD
$1,146 USD
View
B+
Retailer 11
-
HK$11,855 HKD
$1,511 USD
View
B+
Retailer 12
-
HK$12,500 HKD
SGD 2,153 SGD
View
Retailer 13
-
HK$12,867 HKD
$1,640 USD
View
Price last confirmed 13 days ago
B
Retailer 14
-
HK$13,990 HKD
£1,404 GBP
View
B
Retailer 15
-
HK$14,029 HKD
£1,408 GBP
View
Most Expensive
B
Brilliant Earth
21418193A · Oct 31
HK$15,378 HKD
$1,960 USD
View
15 more retailers have this diamond
Prices start from HK$3,240 HKDSave up to HK$12,137 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
1.13ct Cushion
HK$3,240 HKD