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Radiant|Lab Grown|IGI

1.87ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG780666186

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

Certificate IGI LG780666186

Diamond specifications and retailer prices

From HK$4,982 HKD
$635 USD
As of October 30, 2026
Save HK$39,268 HKD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$44,250 HKD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

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 LG780666186 or 780666186. Listed at 15 retailers as of October 30, 2026, with prices from HK$4,982 to HK$44,250, a HK$39,268 spread on the same certified stone. Do Amore Diamonds lists it at HK$44,250. 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 angle41.3°
Pavilion angle32.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780666186
Dimensions8.98 × 6.19 × 3.86 mm
L/W Ratio1.45
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.98 mm6.19 mm1.87 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780666186
Side View
Table 65.0%Crown 41.3°Girdle: Slightly ThickPavilion 32.1°Culet: NoneDepth 62.4%

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$44,250 HKD|Low: HK$4,731 HKD|High: HK$52,566 HKD|Avg: HK$21,936 HKD|-15.8%
Do Amore 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
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Retailer 15
Retailer 16
October 30, 2026
Retailer 10HK$4,982 HKD
Retailer 16HK$5,421 HKD
Retailer 7HK$6,622 HKD
Retailer 12HK$7,108 HKD
Retailer 5HK$7,375 HKD
Retailer 11HK$9,446 HKD
Retailer 6HK$9,964 HKD
Retailer 3HK$10,685 HKD
Retailer 13HK$14,766 HKD
Retailer 15HK$17,168 HKD
Retailer 14HK$17,943 HKD
Retailer 9HK$25,189 HKD
Retailer 2HK$33,893 HKD
Retailer 4HK$35,423 HKD
Do Amore DiamondsHK$44,250 HKD
Retailer 8HK$44,645 HKD

32 data points across 16 retailers

15 retailersHK$4,982 HKD to HK$44,250 HKD

A
Cheapest Retailer
-
HK$4,982 HKD
$635 USD
A
Retailer 2
-
HK$5,421 HKD
$691 USD
View
A
Retailer 3
-
HK$6,622 HKD
$844 USD
View
Final sale: no returns
A
Retailer 4
-
HK$7,108 HKD
$906 USD
View
A
Retailer 5
-
HK$7,375 HKD
$940 USD
View
A
Retailer 6
-
HK$9,446 HKD
$1,204 USD
View
A
Retailer 7
-
HK$9,964 HKD
$1,270 USD
View
Retailer 8
-
HK$10,685 HKD
€1,297 EUR
View
Price last confirmed 8 days ago
B+
Retailer 9
-
HK$14,766 HKD
$1,882 USD
View
B+
Retailer 10
-
HK$17,168 HKD
$2,188 USD
View
B+
Retailer 11
-
HK$17,943 HKD
$2,287 USD
View
B+
Retailer 12
-
HK$25,189 HKD
£2,528 GBP
View
B
Retailer 13
-
HK$33,893 HKD
$4,320 USD
View
Retailer 14
-
HK$35,423 HKD
$4,515 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Do Amore Diamonds
27-7596FBE64 · Oct 30
HK$44,250 HKD
$5,640 USD
View
14 more retailers have this diamond
Prices start from HK$4,982 HKDSave up to HK$39,268 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$4,982 HKD