Round|Lab Grown|IGI

1.54ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG781617081

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781617081

Diamond specifications and retailer prices

From HK$3,429 HKD
$437 USD
As of November 1, 2026
Save HK$16,265 HKD (83%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: HK$25,500 HKD at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

About this 1.54ct lab-grown round diamond

This 1.54ct lab-grown round 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 LG781617081 or 781617081. Listed at 26 retailers as of November 1, 2026, with a 474% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781617081
Dimensions7.29 × 7.36 × 4.58 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
7.29 mm7.36 mm1.54 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781617081
Side View
Table 56.0%Crown 35.8°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.4%

Caratlytics Score

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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: Nov 1
Current: HK$19,694 HKD|Low: HK$3,429 HKD|High: HK$25,578 HKD|Avg: HK$9,248 HKD|-23.0%
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
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 3, 2026
Retailer 3HK$3,429 HKD
Retailer 22HK$3,845 HKD
Retailer 19HK$3,978 HKD
Retailer 7HK$4,253 HKD
Retailer 8HK$4,253 HKD
Retailer 21HK$4,620 HKD
Retailer 20HK$5,375 HKD
Retailer 9HK$5,712 HKD
Retailer 13HK$6,665 HKD
Retailer 6HK$6,724 HKD
Retailer 2HK$7,004 HKD
Retailer 16HK$7,335 HKD
Retailer 15HK$7,487 HKD
Retailer 5HK$8,129 HKD
Retailer 18HK$9,666 HKD
Retailer 11HK$13,505 HKD
Retailer 4HK$13,676 HKD
Retailer 14HK$13,935 HKD
Retailer 10HK$15,302 HKD
Retailer 17HK$15,624 HKD
Retailer 12HK$15,920 HKD
Brilliant EarthHK$19,694 HKD

37 data points across 22 retailers

26 retailersHK$3,429 HKD to HK$19,694 HKD

A+
Cheapest Retailer
-
HK$3,429 HKD
$437 USD
A
Retailer 2
-
HK$3,845 HKD
$490 USD
View
A
Retailer 3
-
HK$3,978 HKD
$507 USD
View
Final sale: no returns
A
Retailer 4
-
HK$4,253 HKD
$542 USD
View
Retailer 5
-
HK$4,253 HKD
$542 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
HK$4,620 HKD
View
A
Retailer 7
-
HK$5,375 HKD
$685 USD
View
A
Retailer 8
-
HK$5,712 HKD
$728 USD
View
A
Retailer 9
-
HK$6,665 HKD
€809 EUR
View
A
Retailer 10
-
HK$6,724 HKD
$857 USD
View
A
Retailer 11
-
HK$7,004 HKD
£703 GBP
View
A
Retailer 12
-
HK$7,335 HKD
ZAR 15,102 ZAR
View
A
Retailer 13
-
HK$7,487 HKD
A$1,468 AUD
View
A
Retailer 14
-
HK$8,129 HKD
$1,036 USD
View
B+
Retailer 15
-
HK$9,666 HKD
$1,232 USD
View
Retailer 16
-
HK$11,997 HKD
$1,529 USD
View
Price last confirmed 47 days ago
B+
Retailer 17
-
HK$13,505 HKD
SGD 2,326 SGD
View
B
Retailer 18
-
HK$13,676 HKD
$1,743 USD
View
B+
Retailer 19
-
HK$13,935 HKD
$1,776 USD
View
B+
Retailer 20
-
HK$14,201 HKD
$1,810 USD
View
B+
Retailer 21
-
HK$14,884 HKD
$1,897 USD
View
B+
Retailer 22
-
HK$15,302 HKD
$1,950 USD
View
B+
Retailer 23
-
HK$15,624 HKD
£1,568 GBP
View
B+
Retailer 24
-
HK$15,920 HKD
$2,029 USD
View
B
Retailer 25
-
HK$19,694 HKD
$2,510 USD
View
Most Expensive
Brilliant Earth
18904911A · Oct 16
HK$25,500 HKD
$3,250 USD
View
Price last confirmed 17 days ago
25 more retailers have this diamond
Prices start from HK$3,429 HKDSave up to HK$16,265 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+
1.54ct Round
HK$3,429 HKD