CaratHunter
Plans
Radiant|Lab Grown|IGI

1.51ct D SI1 Radiant Lab Grown Diamond

VG • D/SI1 • IGI LG563240076

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

Certificate IGI LG563240076

Diamond specifications and retailer prices

From HK$4,248 HKD
As of November 6, 2026
Save HK$15,331 HKD (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$19,579 HKD at MOH London · As of November 5, 2026
View at MOH London

About this 1.51ct lab-grown radiant diamond

This 1.51ct 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 LG563240076 or 563240076. Listed at 14 retailers as of November 5, 2026, with prices from HK$4,248 to HK$19,579, a HK$15,331 spread on the same certified stone. MOH London lists it at HK$19,579. 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

1.51
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle50.4°
Pavilion angle29.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG563240076
Dimensions7.28 × 5.64 × 3.87 mm
L/W Ratio1.29
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
7.28 mm5.64 mm1.51 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG563240076
Side View
Table 66.5%Crown 50.4°Girdle: Slightly ThickPavilion 29.9°Culet: NoneDepth 68.6%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: HK$19,579 HKD|Low: HK$3,033 HKD|High: HK$19,867 HKD|Avg: HK$8,081 HKD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 10HK$3,793 HKD
Retailer 3HK$4,248 HKD
Retailer 4HK$4,248 HKD
Retailer 5HK$4,624 HKD
Retailer 11HK$4,702 HKD
Retailer 9HK$5,800 HKD
Retailer 2HK$6,842 HKD
Retailer 13HK$7,328 HKD
Retailer 6HK$7,712 HKD
Retailer 7HK$9,209 HKD
Retailer 8HK$12,642 HKD
Retailer 12HK$15,118 HKD
MOH LondonHK$19,579 HKD

45 data points across 13 retailers

14 retailersHK$4,248 HKD to HK$19,579 HKD

Retailer 1
-
HK$3,793 HKD
Price last confirmed 15 days ago
B+
Retailer 2
-
HK$4,248 HKD
View
Final sale: no returns
Retailer 3
-
HK$4,248 HKD
View
Price last confirmed 14 days ago
B+
Retailer 4
-
HK$4,624 HKD
View
Retailer 5
-
HK$4,702 HKD
View
Price last confirmed 13 days ago
B+
Retailer 6
-
HK$5,800 HKD
View
B
Retailer 7
-
HK$6,842 HKD
View
B
Retailer 8
-
HK$7,328 HKD
View
B
Retailer 9
-
HK$7,712 HKD
View
Retailer 10
-
HK$9,209 HKD
View
Price last confirmed 10 days ago
B
Retailer 11
-
HK$10,925 HKD
View
B
Retailer 12
-
HK$12,642 HKD
View
Retailer 13
-
HK$15,118 HKD
View
Price last confirmed 13 days ago
Most Expensive
B
MOH London
LG563240076 · Nov 5
HK$19,579 HKD
£1,967 GBP
View
13 more retailers have this diamond
Prices start from HK$4,248 HKDSave up to HK$15,331 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+
1.51ct Radiant
HK$4,248 HKD