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Radiant|Lab Grown|IGI

1.58ct F VS1 Radiant Lab Grown Diamond

EX • F/VS1 • IGI LG778670775

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

Certificate IGI LG778670775

Diamond specifications and retailer prices

From HK$1,577 HKD
$201 USD
As of October 30, 2026
Save HK$8,780 HKD (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$10,357 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.58ct lab-grown radiant diamond

This 1.58ct 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 LG778670775 or 778670775. Listed at 21 retailers as of October 30, 2026, with prices from HK$1,577 to HK$10,357, a HK$8,780 spread on the same certified stone. Brilliant Earth lists it at HK$10,357. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.58
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.9°
Pavilion angle32°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778670775
Dimensions8.35 × 3.62 mm
L/W Ratio2.31
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.35 mm3.62 mm1.58 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778670775
Side View
Table 70.0%Crown 44.9°Girdle: STK-THKPavilion 32°Culet: NoneDepth 62.0%

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: Oct 30
Current: HK$10,357 HKD|Low: HK$1,530 HKD|High: HK$12,083 HKD|Avg: HK$4,893 HKD|-13.7%
Brilliant Earth
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
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Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 31, 2026
Retailer 15HK$1,577 HKD
Retailer 14HK$1,758 HKD
Retailer 8HK$1,836 HKD
Retailer 20HK$1,954 HKD
Retailer 11HK$1,969 HKD
Retailer 5HK$3,377 HKD
Retailer 16HK$3,397 HKD
Retailer 17HK$3,586 HKD
Retailer 9HK$4,276 HKD
Retailer 13HK$4,574 HKD
Retailer 6HK$4,585 HKD
Retailer 2HK$5,092 HKD
Retailer 12HK$6,324 HKD
Retailer 10HK$6,387 HKD
Retailer 19HK$6,705 HKD
Retailer 3HK$6,956 HKD
Retailer 4HK$7,728 HKD
Retailer 18HK$7,862 HKD
Retailer 7HK$9,207 HKD
Brilliant EarthHK$10,357 HKD

28 data points across 20 retailers

21 retailersHK$1,577 HKD to HK$10,357 HKD

A
Cheapest Retailer
-
HK$1,577 HKD
$201 USD
A
Retailer 2
-
HK$1,758 HKD
$224 USD
View
Final sale: no returns
A
Retailer 3
-
HK$1,836 HKD
$234 USD
View
A
Retailer 4
-
HK$1,954 HKD
$249 USD
View
Retailer 5
-
HK$1,969 HKD
$251 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
HK$3,377 HKD
ZAR 6,954 ZAR
View
B+
Retailer 7
-
HK$3,397 HKD
$433 USD
View
A
Retailer 8
-
HK$3,586 HKD
£360 GBP
View
A
Retailer 9
-
HK$4,276 HKD
$545 USD
View
A
Retailer 10
-
HK$4,574 HKD
$583 USD
View
A
Retailer 11
-
HK$4,585 HKD
A$899 AUD
View
B+
Retailer 12
-
HK$5,092 HKD
$649 USD
View
B+
Retailer 13
-
HK$6,324 HKD
$806 USD
View
B+
Retailer 14
-
HK$6,387 HKD
SGD 1,100 SGD
View
B+
Retailer 15
-
HK$6,705 HKD
$855 USD
View
B+
Retailer 16
-
HK$6,956 HKD
A$1,364 AUD
View
B+
Retailer 17
-
HK$7,728 HKD
$985 USD
View
B+
Retailer 18
-
HK$7,862 HKD
$1,002 USD
View
B
Retailer 19
-
HK$8,058 HKD
$1,027 USD
View
Retailer 20
-
HK$9,207 HKD
£924 GBP
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
21501264A · Oct 30
HK$10,357 HKD
$1,320 USD
View
20 more retailers have this diamond
Prices start from HK$1,577 HKDSave up to HK$8,780 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
1.58ct Radiant
HK$1,577 HKD