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Radiant|Lab Grown|IGI

1.51ct F VS1 Radiant Lab Grown Diamond

EX • F/VS1 • IGI LG642457746

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

Certificate IGI LG642457746

Diamond specifications and retailer prices

From HK$1,820 HKD
As of November 4, 2026
Save HK$15,675 HKD (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$17,495 HKD at Do Amore Diamonds · As of November 4, 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG642457746 or 642457746. Listed at 22 retailers as of November 4, 2026, with prices from HK$1,820 to HK$17,495, a HK$15,675 spread on the same certified stone. Do Amore Diamonds lists it at HK$17,495. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.8°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG642457746
Dimensions8.22 × 5.71 × 3.84 mm
L/W Ratio1.44
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.22 mm5.71 mm1.51 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG642457746
Side View
Table 66.0%Crown 43.8°Girdle: MediumPavilion 36.8°Culet: NoneDepth 67.3%

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 4
Current: HK$2,887 HKD|Low: HK$1,749 HKD|High: HK$10,097 HKD|Avg: HK$4,914 HKD|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 5, 2026
Retailer 15HK$1,820 HKD
Retailer 13HK$2,032 HKD
Retailer 5HK$2,110 HKD
Retailer 2HK$2,259 HKD
Retailer 6HK$2,259 HKD
Retailer 1HK$2,887 HKD
Retailer 7HK$4,236 HKD
Retailer 12HK$4,299 HKD
Retailer 8HK$4,707 HKD
Retailer 11HK$5,821 HKD
Retailer 10HK$6,668 HKD
Retailer 14HK$7,280 HKD
Retailer 4HK$8,002 HKD
Retailer 3HK$9,179 HKD
Retailer 9HK$9,948 HKD

45 data points across 15 retailers

22 retailersHK$1,820 HKD to HK$17,495 HKD

A
Cheapest Retailer
-
HK$1,820 HKD
A
Retailer 2
-
HK$2,032 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$2,110 HKD
View
A
Retailer 4
-
HK$2,259 HKD
View
Retailer 5
-
HK$2,259 HKD
View
Price last confirmed 11 days ago
A
Retailer 6
-
HK$2,887 HKD
View
B+
Retailer 7
-
HK$3,028 HKD
View
A
Retailer 8
-
HK$3,138 HKD
View
A
Retailer 9
-
HK$4,236 HKD
View
A
Retailer 10
-
HK$4,299 HKD
View
A
Retailer 11
-
HK$4,707 HKD
View
B+
Retailer 12
-
HK$5,821 HKD
View
B+
Retailer 13
-
HK$6,668 HKD
View
B+
Retailer 14
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HK$6,763 HKD
View
B+
Retailer 15
-
HK$7,280 HKD
View
B
Retailer 16
-
HK$8,002 HKD
View
B
Retailer 17
-
HK$9,179 HKD
View
B
Retailer 18
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HK$9,328 HKD
View
B
Retailer 19
-
HK$9,948 HKD
View
B
Retailer 20
-
HK$10,152 HKD
View
B
Retailer 21
-
HK$14,608 HKD
View
Most Expensive
B
Do Amore Diamonds
27-2A61DBB61 · Nov 4
HK$17,495 HKD
$2,230 USD
View
21 more retailers have this diamond
Prices start from HK$1,820 HKDSave up to HK$15,675 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$1,820 HKD