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Cushion|Lab Grown|IGI

1.53ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG837677857

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG837677857

Diamond specifications and retailer prices

From HK$3,287 HKD
$419 USD
As of October 30, 2026
Save HK$19,387 HKD (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$22,674 HKD at Brilliant Earth · As of October 31, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG837677857 or 837677857. Listed at 18 retailers as of October 30, 2026, with prices from HK$3,287 to HK$22,674, a HK$19,387 spread on the same certified stone. Brilliant Earth lists it at HK$22,674. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle31.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837677857
Dimensions7.98 × 5.84 × 3.83 mm
L/W Ratio1.37
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
7.98 mm5.84 mm1.53 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837677857
Side View
Table 60.0%Crown 34°Girdle: MED-THKPavilion 31.5°Culet: NoneDepth 65.6%

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$22,674 HKD|Low: HK$3,287 HKD|High: HK$26,832 HKD|Avg: HK$11,120 HKD|-15.5%
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
Retailer 17
Retailer 18
November 1, 2026
Retailer 7HK$3,287 HKD
Retailer 15HK$3,866 HKD
Retailer 13HK$4,825 HKD
Retailer 11HK$5,767 HKD
Retailer 3HK$5,790 HKD
Retailer 18HK$6,263 HKD
Retailer 2HK$6,588 HKD
Retailer 8HK$8,301 HKD
Retailer 16HK$8,460 HKD
Retailer 14HK$9,148 HKD
Retailer 9HK$12,022 HKD
Retailer 12HK$12,710 HKD
Retailer 4HK$13,690 HKD
Retailer 6HK$13,737 HKD
Retailer 17HK$14,318 HKD
Retailer 10HK$19,241 HKD
Retailer 5HK$20,634 HKD
Brilliant EarthHK$22,674 HKD

37 data points across 18 retailers

18 retailersHK$3,287 HKD to HK$22,674 HKD

A
Cheapest Retailer
-
HK$3,287 HKD
$419 USD
Final sale: no returns
A
Retailer 2
-
HK$3,866 HKD
£388 GBP
View
A
Retailer 3
-
HK$4,825 HKD
$615 USD
View
A
Retailer 4
-
HK$5,767 HKD
€700 EUR
View
A
Retailer 5
-
HK$5,790 HKD
$738 USD
View
A
Retailer 6
-
HK$6,263 HKD
ZAR 12,897 ZAR
View
A
Retailer 7
-
HK$6,588 HKD
£661 GBP
View
A
Retailer 8
-
HK$8,301 HKD
$1,058 USD
View
A
Retailer 9
-
HK$8,460 HKD
A$1,659 AUD
View
A
Retailer 10
-
HK$9,148 HKD
$1,166 USD
View
B+
Retailer 11
-
HK$12,022 HKD
$1,532 USD
View
B+
Retailer 12
-
HK$12,710 HKD
$1,620 USD
View
B+
Retailer 13
-
HK$13,690 HKD
SGD 2,358 SGD
View
B+
Retailer 14
-
HK$13,737 HKD
$1,751 USD
View
B+
Retailer 15
-
HK$14,318 HKD
£1,437 GBP
View
Retailer 16
-
HK$19,241 HKD
A$3,773 AUD
View
Price last confirmed 36 days ago
Retailer 17
-
HK$20,634 HKD
$2,630 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
22183646A · Oct 31
HK$22,674 HKD
$2,890 USD
View
17 more retailers have this diamond
Prices start from HK$3,287 HKDSave up to HK$19,387 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$3,287 HKD