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Radiant|Lab Grown|IGI

1.51ct D SI1 Radiant Lab Grown Diamond

VG • D/SI1 • IGI LG12417712

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

Certificate IGI LG12417712

Diamond specifications and retailer prices

From HK$1,544 HKD
As of November 6, 2026
Save HK$12,642 HKD (89%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$14,186 HKD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

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 LG12417712 or 12417712. Listed at 9 retailers as of November 2, 2026, with prices from HK$1,544 to HK$14,186, a HK$12,642 spread on the same certified stone. Do Amore Diamonds lists it at HK$14,186. 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 angle42.6°
Pavilion angle31.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG12417712
Dimensions7.26 × 5.78 × 4.05 mm
L/W Ratio1.26
Cert comments
As Grown - No indications of post-growth treatment. This Laboratory Grown Diamond was created by High Pressure High Tempertature (HPHT) growth process.
Top View
7.26 mm5.78 mm1.51 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG12417712
Side View
Table 63.5%Crown 42.6°Girdle: STK-THKPavilion 31.8°Culet: NoneDepth 70.1%

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: Nov 6
Current: HK$14,186 HKD|Low: HK$1,419 HKD|High: HK$14,186 HKD|Avg: HK$6,584 HKD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 3HK$1,544 HKD
Retailer 7HK$1,787 HKD
Retailer 6HK$3,323 HKD
Retailer 5HK$6,168 HKD
Retailer 2HK$6,591 HKD
Retailer 4HK$6,787 HKD
Retailer 8HK$8,151 HKD
Retailer 9HK$9,562 HKD
Do Amore DiamondsHK$14,186 HKD

18 data points across 9 retailers

9 retailersHK$1,544 HKD to HK$14,186 HKD

A
Cheapest Retailer
-
HK$1,544 HKD
A
Retailer 2
-
HK$1,787 HKD
View
B+
Retailer 3
-
HK$3,323 HKD
View
B
Retailer 4
-
HK$6,168 HKD
View
B
Retailer 5
-
HK$6,591 HKD
View
B
Retailer 6
-
HK$6,787 HKD
View
Retailer 7
-
HK$8,151 HKD
View
Price last confirmed 9 days ago
B
Retailer 8
-
HK$9,562 HKD
View
Most Expensive
B
Do Amore Diamonds
27-F96B3FBEF · Nov 2
HK$14,186 HKD
$1,810 USD
View
8 more retailers have this diamond
Prices start from HK$1,544 HKDSave up to HK$12,642 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
1.51ct Radiant
HK$1,544 HKD