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Radiant|Lab Grown|IGI

8.18ct H VS1 Radiant Lab Grown Diamond

ID • H/VS1 • IGI LG575374168

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

Certificate IGI LG575374168

Diamond specifications and retailer prices

From HK$8,983 HKD
$1,145 USD
As of October 30, 2026
Save HK$41,057 HKD (82%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$50,040 HKD at With Clarity · As of October 31, 2026
View at With Clarity

About this 8.18ct lab-grown radiant diamond

This 8.18ct lab-grown radiant sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG575374168 or 575374168. Listed at 22 retailers as of October 30, 2026, with prices from HK$8,983 to HK$50,040, a HK$41,057 spread on the same certified stone. With Clarity lists it at HK$50,040. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

8.18
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.2°
Pavilion angle32.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG575374168
Dimensions13.51 × 9.63 × 6.90 mm
L/W Ratio1.40
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
13.51 mm9.63 mm8.18 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG575374168
Side View
Table 64.0%Crown 41.2°Girdle: Slightly ThickPavilion 32.8°Culet: NoneDepth 71.7%

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: Oct 30
Current: HK$15,768 HKD|Low: HK$8,622 HKD|High: HK$50,448 HKD|Avg: HK$21,684 HKD|-6.8%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
With Clarity
October 31, 2026
Retailer 2HK$8,983 HKD
Retailer 7HK$9,768 HKD
Retailer 3HK$10,050 HKD
Retailer 5HK$10,419 HKD
Retailer 8HK$10,419 HKD
Retailer 17HK$11,769 HKD
Retailer 14HK$12,433 HKD
Retailer 9HK$14,601 HKD
Retailer 18HK$14,828 HKD
Retailer 1HK$15,768 HKD
Retailer 16HK$17,471 HKD
Retailer 13HK$18,634 HKD
Retailer 12HK$19,302 HKD
Retailer 6HK$19,528 HKD
Retailer 11HK$25,414 HKD
Retailer 10HK$28,696 HKD
Retailer 19HK$31,481 HKD
Retailer 15HK$33,649 HKD
Retailer 4HK$48,330 HKD
With ClarityHK$49,036 HKD

41 data points across 20 retailers

22 retailersHK$8,983 HKD to HK$50,040 HKD

A
Cheapest Retailer
-
HK$8,983 HKD
$1,145 USD
A
Retailer 2
-
HK$9,768 HKD
$1,245 USD
View
A
Retailer 3
-
HK$10,050 HKD
$1,281 USD
View
Final sale: no returns
A
Retailer 4
-
HK$10,419 HKD
$1,328 USD
View
Retailer 5
-
HK$10,419 HKD
$1,328 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
HK$11,769 HKD
$1,500 USD
View
A
Retailer 7
-
HK$12,433 HKD
£1,248 GBP
View
A
Retailer 8
-
HK$14,601 HKD
$1,861 USD
View
B+
Retailer 9
-
HK$14,828 HKD
$1,890 USD
View
A
Retailer 10
-
HK$15,768 HKD
€1,914 EUR
View
A
Retailer 11
-
HK$17,471 HKD
ZAR 35,975 ZAR
View
A
Retailer 12
-
HK$18,634 HKD
$2,375 USD
View
B+
Retailer 13
-
HK$19,302 HKD
A$3,785 AUD
View
A
Retailer 14
-
HK$19,528 HKD
$2,489 USD
View
B+
Retailer 15
-
HK$25,414 HKD
$3,239 USD
View
B+
Retailer 16
-
HK$25,577 HKD
$3,260 USD
View
B+
Retailer 17
-
HK$28,696 HKD
£2,880 GBP
View
B+
Retailer 18
-
HK$31,481 HKD
$4,013 USD
View
B+
Retailer 19
-
HK$33,649 HKD
£3,377 GBP
View
B
Retailer 20
-
HK$36,461 HKD
$4,647 USD
View
B
Retailer 21
-
HK$48,330 HKD
$6,160 USD
View
Most Expensive
B
With Clarity
575374168 · Oct 31
HK$50,040 HKD
$6,378 USD
View
21 more retailers have this diamond
Prices start from HK$8,983 HKDSave up to HK$41,057 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
8.18ct Radiant
HK$8,983 HKD