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Radiant|Lab Grown|IGI

1.54ct D SI1 Radiant Lab Grown Diamond

VG • D/SI1 • IGI LG566331217

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

Certificate IGI LG566331217

Diamond specifications and retailer prices

From HK$4,331 HKD
$552 USD
As of November 1, 2026
Save HK$15,797 HKD (78%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$20,128 HKD at MOH London · As of October 29, 2026
View at MOH London

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 very-good cut grade and certified by IGI LG566331217 or 566331217. Listed at 13 retailers as of October 29, 2026, with prices from HK$4,331 to HK$20,128, a HK$15,797 spread on the same certified stone. MOH London lists it at HK$20,128. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.54
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.2°
Pavilion angle30°
OriginLab Grown
Grading LabIGI
CertificateIGI LG566331217
Dimensions7.42 × 5.68 × 3.88 mm
L/W Ratio1.31
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
7.42 mm5.68 mm1.54 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG566331217
Side View
Table 68.0%Crown 41.2°Girdle: MediumPavilion 30°Culet: NoneDepth 68.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: HK$20,128 HKD|Low: HK$3,091 HKD|High: HK$20,258 HKD|Avg: HK$7,880 HKD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 8HK$3,868 HKD
Retailer 3HK$4,331 HKD
Retailer 12HK$4,331 HKD
Retailer 4HK$4,786 HKD
Retailer 9HK$4,794 HKD
Retailer 7HK$5,885 HKD
Retailer 5HK$6,986 HKD
Retailer 11HK$7,462 HKD
Retailer 2HK$7,975 HKD
Retailer 10HK$12,617 HKD
Retailer 6HK$12,891 HKD
MOH LondonHK$20,128 HKD

44 data points across 12 retailers

13 retailersHK$4,331 HKD to HK$20,128 HKD

Retailer 1
-
HK$3,868 HKD
$493 USD
Price last confirmed 10 days ago
B+
Retailer 2
-
HK$4,331 HKD
$552 USD
View
Final sale: no returns
Retailer 3
-
HK$4,331 HKD
$552 USD
View
Price last confirmed 9 days ago
B+
Retailer 4
-
HK$4,786 HKD
$610 USD
View
Retailer 5
-
HK$4,794 HKD
$611 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
HK$5,885 HKD
$750 USD
View
B
Retailer 7
-
HK$6,986 HKD
€848 EUR
View
B
Retailer 8
-
HK$7,462 HKD
$951 USD
View
B
Retailer 9
-
HK$7,975 HKD
£800 GBP
View
B
Retailer 10
-
HK$11,147 HKD
£1,119 GBP
View
Retailer 11
-
HK$12,617 HKD
$1,608 USD
View
Price last confirmed 8 days ago
B
Retailer 12
-
HK$12,891 HKD
$1,643 USD
View
Most Expensive
B
MOH London
LG566331217 · Oct 29
HK$20,128 HKD
£2,020 GBP
View
12 more retailers have this diamond
Prices start from HK$4,331 HKDSave up to HK$15,797 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.

B+
1.54ct Radiant
HK$4,331 HKD