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Radiant|Lab Grown|IGI

1.05ct F VS1 Radiant Lab Grown Diamond

EX • F/VS1 • IGI LG639412406

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

Certificate IGI LG639412406

Diamond specifications and retailer prices

From HK$1,279 HKD
As of November 2, 2026
Save HK$6,959 HKD (84%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$8,447 HKD at Reve Diamonds · As of October 11, 2026
View at Reve Diamonds

About this 1.05ct lab-grown radiant diamond

This 1.05ct lab-grown radiant sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG639412406 or 639412406. Listed at 22 retailers as of October 30, 2026, with a 544% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG639412406
Dimensions7.43 × 4.97 × 3.36 mm
L/W Ratio1.49
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.43 mm4.97 mm1.05 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG639412406
Side View
Table 65.0%Crown 34.4°Girdle: MediumPavilion 34.6°Culet: NoneDepth 67.6%

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 2
Current: HK$2,809 HKD|Low: HK$1,279 HKD|High: HK$8,447 HKD|Avg: HK$3,700 HKD|+8.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
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Retailer 19
Retailer 20
Reve Diamonds
November 3, 2026
Retailer 15HK$1,279 HKD
Retailer 4HK$1,436 HKD
Retailer 10HK$1,444 HKD
Retailer 13HK$1,522 HKD
Retailer 3HK$1,593 HKD
Retailer 14HK$1,899 HKD
Retailer 6HK$2,660 HKD
Retailer 17HK$2,738 HKD
Retailer 1HK$2,809 HKD
Retailer 8HK$2,871 HKD
Retailer 19HK$2,879 HKD
Retailer 11HK$3,020 HKD
Retailer 16HK$3,876 HKD
Retailer 2HK$4,080 HKD
Retailer 5HK$4,087 HKD
Retailer 18HK$5,107 HKD
Retailer 20HK$5,397 HKD
Retailer 7HK$5,531 HKD
Retailer 12HK$7,429 HKD
Retailer 9HK$8,237 HKD
Reve DiamondsHK$8,447 HKD

37 data points across 21 retailers

22 retailersHK$1,279 HKD to HK$8,237 HKD

A
Cheapest Retailer
-
HK$1,279 HKD
A
Retailer 2
-
HK$1,436 HKD
View
Final sale: no returns
Retailer 3
-
HK$1,444 HKD
View
Price last confirmed 39 days ago
Retailer 4
-
HK$1,522 HKD
View
Price last confirmed 39 days ago
Retailer 5
-
HK$1,593 HKD
View
Price last confirmed 19 days ago
A
Retailer 6
-
HK$1,899 HKD
View
A
Retailer 7
-
HK$2,660 HKD
View
A
Retailer 8
-
HK$2,738 HKD
View
A
Retailer 9
-
HK$2,809 HKD
View
A
Retailer 10
-
HK$2,871 HKD
View
A
Retailer 11
-
HK$2,879 HKD
View
Retailer 12
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HK$3,020 HKD
View
Price last confirmed 27 days ago
B+
Retailer 13
-
HK$3,876 HKD
View
B+
Retailer 14
-
HK$4,080 HKD
View
B+
Retailer 15
-
HK$4,087 HKD
View
B+
Retailer 16
-
HK$4,974 HKD
View
B+
Retailer 17
-
HK$5,107 HKD
View
B
Retailer 18
-
HK$5,397 HKD
View
B
Retailer 19
-
HK$5,531 HKD
View
B
Retailer 20
-
HK$7,429 HKD
View
B
Retailer 21
-
HK$8,237 HKD
View
Most Expensive
Reve Diamonds
9524CC0E9 · Oct 11
HK$8,447 HKD
$1,077 USD
View
Price last confirmed 25 days ago
21 more retailers have this diamond
Prices start from HK$1,279 HKDSave up to HK$6,959 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
1.05ct Radiant
HK$1,279 HKD