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Radiant|Lab Grown|IGI

1.54ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG671426516

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG671426516

Diamond specifications and retailer prices

From HK$2,228 HKD
$284 USD
As of October 30, 2026
Save HK$25,310 HKD (92%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$27,538 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.54ct lab-grown radiant diamond

This 1.54ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG671426516 or 671426516. Listed at 18 retailers as of October 29, 2026, with prices from HK$2,228 to HK$27,538, a HK$25,310 spread on the same certified stone. Brilliant Earth lists it at HK$27,538. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.9°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG671426516
Dimensions8.07 × 5.69 × 3.88 mm
L/W Ratio1.42
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.07 mm5.69 mm1.54 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG671426516
Side View
Table 67.0%Crown 46.9°Girdle: MediumPavilion 36.2°Culet: NoneDepth 68.2%

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$27,538 HKD|Low: HK$2,228 HKD|High: HK$28,401 HKD|Avg: HK$8,103 HKD|-3.0%
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
October 31, 2026
Retailer 4HK$2,228 HKD
Retailer 3HK$2,589 HKD
Retailer 10HK$2,589 HKD
Retailer 9HK$3,552 HKD
Retailer 13HK$3,578 HKD
Retailer 16HK$3,687 HKD
Retailer 18HK$3,844 HKD
Retailer 7HK$4,885 HKD
Retailer 8HK$6,520 HKD
Retailer 5HK$6,539 HKD
Retailer 15HK$7,119 HKD
Retailer 2HK$8,497 HKD
Retailer 6HK$9,149 HKD
Retailer 14HK$9,815 HKD
Retailer 11HK$11,500 HKD
Retailer 12HK$12,306 HKD
Retailer 17HK$19,850 HKD
Brilliant EarthHK$27,538 HKD

35 data points across 18 retailers

18 retailersHK$2,228 HKD to HK$27,538 HKD

A
Cheapest Retailer
-
HK$2,228 HKD
$284 USD
A
Retailer 2
-
HK$2,589 HKD
$330 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,589 HKD
$330 USD
View
A
Retailer 4
-
HK$3,552 HKD
$453 USD
View
A
Retailer 5
-
HK$3,578 HKD
$456 USD
View
A
Retailer 6
-
HK$3,687 HKD
$470 USD
View
A
Retailer 7
-
HK$3,844 HKD
$490 USD
View
Retailer 8
-
HK$4,885 HKD
€593 EUR
View
Price last confirmed 7 days ago
A
Retailer 9
-
HK$6,520 HKD
$831 USD
View
A
Retailer 10
-
HK$6,539 HKD
$833 USD
View
A
Retailer 11
-
HK$7,119 HKD
A$1,396 AUD
View
B+
Retailer 12
-
HK$8,497 HKD
$1,083 USD
View
B+
Retailer 13
-
HK$9,149 HKD
$1,166 USD
View
B+
Retailer 14
-
HK$9,815 HKD
$1,251 USD
View
B+
Retailer 15
-
HK$11,500 HKD
A$2,255 AUD
View
B+
Retailer 16
-
HK$12,306 HKD
£1,235 GBP
View
B
Retailer 17
-
HK$19,850 HKD
$2,530 USD
View
Most Expensive
B
Brilliant Earth
16298721A · Oct 29
HK$27,538 HKD
$3,510 USD
View
17 more retailers have this diamond
Prices start from HK$2,228 HKDSave up to HK$25,310 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 Radiant
HK$2,228 HKD