Radiant|Lab Grown|IGI

1.86ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG799647057

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

Certificate IGI LG799647057

Diamond specifications and retailer prices

From HK$5,194 HKD
$662 USD
As of October 30, 2026
Save HK$21,325 HKD (80%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: HK$43,544 HKD at Brilliant Earth · As of September 28, 2026
View at Brilliant Earth

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 E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG799647057 or 799647057. Listed at 23 retailers as of October 30, 2026, with a 411% 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
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.3°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799647057
Dimensions8.42 × 6.06 × 4.24 mm
L/W Ratio1.39
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.42 mm6.06 mm1.86 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799647057
Side View
Table 59.0%Crown 46.3°Girdle: MED-STKPavilion 38.8°Culet: NoneDepth 70.0%

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$26,518 HKD|Low: HK$5,194 HKD|High: HK$42,210 HKD|Avg: HK$16,819 HKD|-37.2%
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
Retailer 16
Retailer 17
November 1, 2026
Retailer 7HK$5,194 HKD
Retailer 13HK$6,630 HKD
Retailer 4HK$7,516 HKD
Retailer 11HK$8,716 HKD
Retailer 5HK$8,834 HKD
Retailer 10HK$8,995 HKD
Retailer 12HK$9,887 HKD
Retailer 3HK$12,396 HKD
Retailer 17HK$12,953 HKD
Retailer 16HK$16,740 HKD
Retailer 14HK$17,386 HKD
Retailer 9HK$18,114 HKD
Retailer 6HK$18,615 HKD
Retailer 2HK$24,970 HKD
Retailer 8HK$25,287 HKD
Brilliant EarthHK$26,518 HKD
Retailer 15HK$35,463 HKD

33 data points across 17 retailers

23 retailersHK$5,194 HKD to HK$26,518 HKD

A
Cheapest Retailer
-
HK$5,194 HKD
$662 USD
Final sale: no returns
Retailer 2
-
HK$5,288 HKD
$674 USD
View
Price last confirmed 30 days ago
Retailer 3
-
HK$5,994 HKD
$764 USD
View
Price last confirmed 35 days ago
Retailer 4
-
HK$6,135 HKD
$782 USD
View
Price last confirmed 24 days ago
A
Retailer 5
-
HK$6,630 HKD
$845 USD
View
A
Retailer 6
-
HK$7,516 HKD
$958 USD
View
A
Retailer 7
-
HK$8,716 HKD
€1,058 EUR
View
A
Retailer 8
-
HK$8,834 HKD
$1,126 USD
View
A
Retailer 9
-
HK$8,995 HKD
£903 GBP
View
A
Retailer 10
-
HK$9,887 HKD
ZAR 20,358 ZAR
View
B+
Retailer 11
-
HK$12,396 HKD
$1,580 USD
View
B+
Retailer 12
-
HK$12,953 HKD
$1,651 USD
View
B+
Retailer 13
-
HK$16,740 HKD
£1,680 GBP
View
Retailer 14
-
HK$17,237 HKD
$2,197 USD
View
Price last confirmed 24 days ago
B+
Retailer 15
-
HK$17,386 HKD
$2,216 USD
View
B+
Retailer 16
-
HK$18,114 HKD
SGD 3,120 SGD
View
B+
Retailer 17
-
HK$18,615 HKD
$2,373 USD
View
B+
Retailer 18
-
HK$20,124 HKD
$2,565 USD
View
B
Retailer 19
-
HK$24,970 HKD
£2,506 GBP
View
B
Retailer 20
-
HK$25,287 HKD
$3,223 USD
View
B
Retailer 21
-
HK$26,518 HKD
$3,380 USD
View
Retailer 22
-
HK$35,463 HKD
$4,520 USD
View
Price last confirmed 11 days ago
Most Expensive
Brilliant Earth
20575178A · Sep 28
HK$43,544 HKD
$5,550 USD
View
Price last confirmed 34 days ago
22 more retailers have this diamond
Prices start from HK$5,194 HKDSave up to HK$21,325 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
1.86ct Radiant
HK$5,194 HKD