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Radiant|Lab Grown|IGI

1.51ct D VS1 Radiant Lab Grown Diamond

VG • D/VS1 • IGI LG639472394

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

Certificate IGI LG639472394

Diamond specifications and retailer prices

From HK$1,930 HKD
As of November 4, 2026
Save HK$14,075 HKD (88%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: HK$16,005 HKD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

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 VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG639472394 or 639472394. Listed at 23 retailers as of November 2, 2026, with prices from HK$1,930 to HK$16,005, a HK$14,075 spread on the same certified stone. Brilliant Earth lists it at HK$16,005. 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
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.3°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG639472394
Dimensions7.94 × 5.68 × 3.87 mm
L/W Ratio1.40
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.94 mm5.68 mm1.51 ctD / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG639472394
Side View
Table 63.0%Crown 30.3°Girdle: MediumPavilion 36.2°Culet: NoneDepth 68.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: HK$16,005 HKD|Low: HK$1,867 HKD|High: HK$16,005 HKD|Avg: HK$5,713 HKD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
Retailer 8
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Retailer 11
Retailer 12
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Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
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Retailer 22
November 5, 2026
Retailer 19HK$1,930 HKD
Retailer 20HK$2,150 HKD
Retailer 6HK$2,236 HKD
Retailer 11HK$2,315 HKD
Retailer 2HK$2,393 HKD
Retailer 18HK$2,652 HKD
Retailer 9HK$3,538 HKD
Retailer 8HK$3,994 HKD
Retailer 4HK$4,009 HKD
Retailer 14HK$4,119 HKD
Retailer 16HK$4,496 HKD
Retailer 12HK$4,872 HKD
Retailer 7HK$5,406 HKD
Retailer 21HK$7,681 HKD
Retailer 3HK$7,705 HKD
Retailer 22HK$8,081 HKD
Retailer 10HK$8,434 HKD
Retailer 15HK$9,133 HKD
Retailer 13HK$9,399 HKD
Retailer 17HK$9,540 HKD
Retailer 5HK$10,506 HKD
Brilliant EarthHK$16,005 HKD

29 data points across 22 retailers

23 retailersHK$1,930 HKD to HK$16,005 HKD

A
Cheapest Retailer
-
HK$1,930 HKD
A
Retailer 2
-
HK$2,150 HKD
View
Final sale: no returns
A
Retailer 3
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HK$2,236 HKD
View
Retailer 4
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HK$2,315 HKD
View
Price last confirmed 11 days ago
A
Retailer 5
-
HK$2,393 HKD
View
A
Retailer 6
-
HK$2,652 HKD
View
A
Retailer 7
-
HK$3,538 HKD
View
B+
Retailer 8
-
HK$3,994 HKD
View
B+
Retailer 9
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HK$4,009 HKD
View
A
Retailer 10
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HK$4,119 HKD
View
B+
Retailer 11
-
HK$4,496 HKD
View
B+
Retailer 12
-
HK$4,872 HKD
View
B+
Retailer 13
-
HK$5,406 HKD
View
B
Retailer 14
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HK$7,603 HKD
View
B
Retailer 15
-
HK$7,681 HKD
View
B
Retailer 16
-
HK$7,705 HKD
View
B
Retailer 17
-
HK$8,081 HKD
View
Retailer 18
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HK$8,434 HKD
View
Price last confirmed 18 days ago
B
Retailer 19
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HK$9,133 HKD
View
B
Retailer 20
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HK$9,399 HKD
View
B
Retailer 21
-
HK$9,540 HKD
View
B
Retailer 22
-
HK$10,506 HKD
View
Most Expensive
B
Brilliant Earth
10979309A · Nov 2
HK$16,005 HKD
$2,040 USD
View
22 more retailers have this diamond
Prices start from HK$1,930 HKDSave up to HK$14,075 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$1,930 HKD