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Radiant|Lab Grown|IGI

1.87ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG830620119

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

Certificate IGI LG830620119

Diamond specifications and retailer prices

From HK$5,908 HKD
$753 USD
As of October 29, 2026
Save HK$29,712 HKD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$35,619 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.87ct lab-grown radiant diamond

This 1.87ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG830620119 or 830620119. Listed at 13 retailers as of October 29, 2026, with prices from HK$5,908 to HK$35,619, a HK$29,712 spread on the same certified stone. Brilliant Earth lists it at HK$35,619. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.87
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.7°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830620119
Dimensions8.40 × 6.21 × 4.23 mm
L/W Ratio1.35
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
8.40 mm6.21 mm1.87 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830620119
Side View
Table 67.0%Crown 40.7°Girdle: ThickPavilion 37.5°Culet: NoneDepth 68.1%

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 29
Current: HK$35,619 HKD|Low: HK$5,908 HKD|High: HK$35,619 HKD|Avg: HK$14,150 HKD
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
October 31, 2026
Retailer 12HK$5,908 HKD
Retailer 3HK$5,939 HKD
Retailer 7HK$6,696 HKD
Retailer 13HK$7,297 HKD
Retailer 2HK$9,439 HKD
Retailer 8HK$9,635 HKD
Retailer 10HK$12,585 HKD
Retailer 6HK$15,087 HKD
Retailer 5HK$19,426 HKD
Retailer 11HK$20,379 HKD
Retailer 4HK$21,447 HKD
Retailer 9HK$22,690 HKD
Brilliant EarthHK$35,619 HKD

3 data points across 13 retailers

13 retailersHK$5,908 HKD to HK$35,619 HKD

A
Cheapest Retailer
-
HK$5,908 HKD
$753 USD
A
Retailer 2
-
HK$5,939 HKD
$757 USD
View
Final sale: no returns
A
Retailer 3
-
HK$6,696 HKD
£672 GBP
View
A
Retailer 4
-
HK$7,297 HKD
$930 USD
View
A
Retailer 5
-
HK$9,439 HKD
£947 GBP
View
A
Retailer 6
-
HK$9,635 HKD
$1,228 USD
View
B+
Retailer 7
-
HK$12,585 HKD
$1,604 USD
View
B+
Retailer 8
-
HK$15,087 HKD
$1,923 USD
View
B
Retailer 9
-
HK$19,426 HKD
$2,476 USD
View
B
Retailer 10
-
HK$20,379 HKD
$2,597 USD
View
B
Retailer 11
-
HK$21,447 HKD
SGD 3,694 SGD
View
B
Retailer 12
-
HK$22,690 HKD
$2,892 USD
View
Most Expensive
B
Brilliant Earth
22348624A · Oct 30
HK$35,619 HKD
$4,540 USD
View
12 more retailers have this diamond
Prices start from HK$5,908 HKDSave up to HK$29,712 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
1.87ct Radiant
HK$5,908 HKD