CaratHunter
Plans
Radiant|Lab Grown|IGI

1.86ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG506191278

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

Certificate IGI LG506191278

Diamond specifications and retailer prices

From HK$17,574 HKD
$2,240 USD
As of October 31, 2026
Save HK$12,429 HKD (41%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$44,148 HKD at Cape Diamonds · As of October 29, 2026
View at Cape Diamonds

About this 1.86ct lab-grown radiant diamond

This 1.86ct lab-grown radiant sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG506191278 or 506191278. Listed at 18 retailers as of October 31, 2026, with a 71% 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

1.86
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.7°
Pavilion angle31.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG506191278
Dimensions8.05 × 6.07 × 4.29 mm
L/W Ratio1.33
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
8.05 mm6.07 mm1.86 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG506191278
Side View
Table 66.0%Crown 45.7°Girdle: STK-THKPavilion 31.3°Culet: NoneDepth 70.7%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: HK$44,148 HKD|Low: HK$17,574 HKD|High: HK$65,155 HKD|Avg: HK$36,494 HKD|+1.9%
Cape Diamonds
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
November 1, 2026
Retailer 10HK$17,574 HKD
Retailer 12HK$20,705 HKD
Retailer 5HK$22,525 HKD
Retailer 6HK$24,016 HKD
Retailer 13HK$24,016 HKD
Retailer 8HK$30,004 HKD
Retailer 9HK$32,166 HKD
Retailer 4HK$33,007 HKD
Retailer 11HK$35,235 HKD
Retailer 3HK$37,393 HKD
Cape DiamondsHK$44,148 HKD
Retailer 7HK$59,789 HKD
Retailer 14HK$64,123 HKD
Retailer 2HK$64,298 HKD

41 data points across 14 retailers

18 retailersHK$17,574 HKD to HK$30,004 HKD

B
Cheapest Retailer
-
HK$17,574 HKD
$2,240 USD
B
Retailer 2
-
HK$20,705 HKD
$2,639 USD
View
B
Retailer 3
-
HK$22,525 HKD
$2,871 USD
View
B
Retailer 4
-
HK$23,176 HKD
$2,954 USD
View
Final sale: no returns
Retailer 5
-
HK$24,016 HKD
$3,061 USD
View
Price last confirmed 20 days ago
B
Retailer 6
-
HK$24,016 HKD
$3,061 USD
View
B
Retailer 7
-
HK$25,302 HKD
$3,225 USD
View
B
Retailer 8
-
HK$30,004 HKD
£3,011 GBP
View
Retailer 9
-
HK$32,166 HKD
£3,228 GBP
View
Price under review
Retailer 10
-
HK$33,007 HKD
$4,207 USD
View
Price under review
Retailer 11
-
HK$35,235 HKD
$4,491 USD
View
Price under review
Retailer 12
-
HK$37,393 HKD
$4,766 USD
View
Price under review
Most Expensive
Cape Diamonds
cert_506191278 · Oct 29
HK$44,148 HKD
ZAR 90,906 ZAR
View
Price under review
12 more retailers have this diamond
Prices start from HK$17,574 HKDSave up to HK$12,429 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.

B
1.86ct Radiant
HK$17,574 HKD