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Cushion|Lab Grown|IGI

1.53ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG799646985

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG799646985

Diamond specifications and retailer prices

From HK$4,362 HKD
$556 USD
As of October 31, 2026
Save HK$23,256 HKD (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$27,618 HKD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.53ct lab-grown cushion diamond

This 1.53ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG799646985 or 799646985. Listed at 19 retailers as of October 31, 2026, with prices from HK$4,362 to HK$27,618, a HK$23,256 spread on the same certified stone. Brilliant Earth lists it at HK$27,618. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle31.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799646985
Dimensions8.40 × 5.69 × 3.81 mm
L/W Ratio1.48
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
8.40 mm5.69 mm1.53 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799646985
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 31.6°Culet: NoneDepth 67.0%

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 31
Current: HK$27,618 HKD|Low: HK$4,362 HKD|High: HK$38,367 HKD|Avg: HK$12,616 HKD|-28.0%
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
Retailer 17
Retailer 18
November 3, 2026
Retailer 4HK$4,362 HKD
Retailer 13HK$5,112 HKD
Retailer 10HK$5,437 HKD
Retailer 3HK$6,661 HKD
Retailer 15HK$7,233 HKD
Retailer 16HK$7,297 HKD
Retailer 5HK$7,524 HKD
Retailer 14HK$7,976 HKD
Retailer 12HK$8,338 HKD
Retailer 17HK$8,639 HKD
Retailer 11HK$11,377 HKD
Retailer 18HK$15,750 HKD
Retailer 9HK$15,784 HKD
Retailer 7HK$15,787 HKD
Retailer 6HK$17,450 HKD
Retailer 2HK$20,178 HKD
Retailer 8HK$21,302 HKD
Brilliant EarthHK$27,618 HKD

27 data points across 18 retailers

19 retailersHK$4,362 HKD to HK$27,618 HKD

A+
Cheapest Retailer
-
HK$4,362 HKD
$556 USD
Final sale: no returns
A
Retailer 2
-
HK$5,112 HKD
£513 GBP
View
Retailer 3
-
HK$5,437 HKD
$693 USD
View
Price last confirmed 17 days ago
A
Retailer 4
-
HK$6,661 HKD
$849 USD
View
A
Retailer 5
-
HK$7,233 HKD
€878 EUR
View
A
Retailer 6
-
HK$7,297 HKD
$930 USD
View
A
Retailer 7
-
HK$7,524 HKD
$959 USD
View
A
Retailer 8
-
HK$7,976 HKD
£800 GBP
View
A
Retailer 9
-
HK$8,338 HKD
ZAR 17,168 ZAR
View
A
Retailer 10
-
HK$8,639 HKD
$1,101 USD
View
A
Retailer 11
-
HK$11,377 HKD
$1,450 USD
View
B+
Retailer 12
-
HK$15,750 HKD
$2,007 USD
View
Retailer 13
-
HK$15,784 HKD
£1,584 GBP
View
Price last confirmed 12 days ago
B+
Retailer 14
-
HK$15,787 HKD
SGD 2,719 SGD
View
B+
Retailer 15
-
HK$16,948 HKD
$2,160 USD
View
B+
Retailer 16
-
HK$17,450 HKD
$2,224 USD
View
B+
Retailer 17
-
HK$20,178 HKD
£2,025 GBP
View
Retailer 18
-
HK$21,302 HKD
$2,715 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
21421015A · Nov 2
HK$27,618 HKD
$3,520 USD
View
18 more retailers have this diamond
Prices start from HK$4,362 HKDSave up to HK$23,256 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+
1.53ct Cushion
HK$4,362 HKD