Radiant|Lab Grown|IGI

1.54ct D SI1 Radiant Lab Grown Diamond

EX • D/SI1 • IGI LG474120572

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

Certificate IGI LG474120572

Diamond specifications and retailer prices

From HK$1,506 HKD
$192 USD
As of October 27, 2026
Save HK$12,930 HKD (90%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$14,436 HKD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG474120572 or 474120572. Listed at 11 retailers as of October 27, 2026, with prices from HK$1,506 to HK$14,436, a HK$12,930 spread on the same certified stone. Do Amore Diamonds lists it at HK$14,436. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.54
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.9°
Pavilion angle30.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG474120572
Dimensions7.43 × 5.89 × 3.94 mm
L/W Ratio1.26
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
7.43 mm5.89 mm1.54 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG474120572
Side View
Table 60.0%Crown 44.9°Girdle: MED-STKPavilion 30.9°Culet: NoneDepth 66.9%

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 27
Current: HK$14,436 HKD|Low: HK$836 HKD|High: HK$14,593 HKD|Avg: HK$5,556 HKD|-1.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 5HK$836 HKD
Retailer 8HK$1,506 HKD
Retailer 11HK$1,687 HKD
Retailer 6HK$2,306 HKD
Retailer 9HK$3,256 HKD
Retailer 3HK$3,676 HKD
Retailer 13HK$4,315 HKD
Retailer 4HK$4,362 HKD
Retailer 7HK$6,018 HKD
Retailer 2HK$8,300 HKD
Retailer 10HK$10,042 HKD
Retailer 12HK$11,376 HKD
Do Amore DiamondsHK$14,436 HKD

38 data points across 13 retailers

11 retailersHK$1,506 HKD to HK$14,436 HKD

A
Cheapest Retailer
-
HK$1,506 HKD
$192 USD
A
Retailer 2
-
HK$1,687 HKD
$215 USD
View
Final sale: no returns
A
Retailer 3
-
HK$1,742 HKD
$222 USD
View
A
Retailer 4
-
HK$2,306 HKD
£231 GBP
View
B+
Retailer 5
-
HK$3,256 HKD
$415 USD
View
B
Retailer 6
-
HK$6,018 HKD
$767 USD
View
B
Retailer 7
-
HK$6,622 HKD
$844 USD
View
B
Retailer 8
-
HK$8,300 HKD
£833 GBP
View
B
Retailer 9
-
HK$10,042 HKD
$1,280 USD
View
B
Retailer 10
-
HK$11,376 HKD
$1,450 USD
View
Most Expensive
B
Do Amore Diamonds
27-C919A0841 · Oct 29
HK$14,436 HKD
$1,840 USD
View
10 more retailers have this diamond
Prices start from HK$1,506 HKDSave up to HK$12,930 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$1,506 HKD