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Radiant|Lab Grown|IGI

1.71ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG818654487

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

Certificate IGI LG818654487

Diamond specifications and retailer prices

From HK$4,574 HKD
$583 USD
As of October 30, 2026
Save HK$36,067 HKD (89%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$40,641 HKD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.71ct lab-grown radiant diamond

This 1.71ct 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 LG818654487 or 818654487. Listed at 12 retailers as of October 30, 2026, with prices from HK$4,574 to HK$40,641, a HK$36,067 spread on the same certified stone. Do Amore Diamonds lists it at HK$40,641. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.4°
Pavilion angle31.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818654487
Dimensions8.71 × 5.86 × 3.83 mm
L/W Ratio1.49
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
8.71 mm5.86 mm1.71 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818654487
Side View
Table 63.0%Crown 44.4°Girdle: MED-STKPavilion 31.9°Culet: NoneDepth 65.4%

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$40,641 HKD|Low: HK$4,574 HKD|High: HK$52,095 HKD|Avg: HK$21,888 HKD|-15.6%
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
October 30, 2026
Retailer 7HK$4,574 HKD
Retailer 11HK$5,123 HKD
Retailer 3HK$6,826 HKD
Retailer 4HK$8,466 HKD
Retailer 8HK$8,717 HKD
Retailer 12HK$10,017 HKD
Retailer 9HK$14,075 HKD
Retailer 10HK$16,468 HKD
Retailer 6HK$24,810 HKD
Retailer 5HK$25,287 HKD
Retailer 2HK$29,814 HKD
Retailer 13HK$31,814 HKD
Do Amore DiamondsHK$40,641 HKD

30 data points across 13 retailers

12 retailersHK$4,574 HKD to HK$40,641 HKD

A
Cheapest Retailer
-
HK$4,574 HKD
$583 USD
A
Retailer 2
-
HK$5,123 HKD
$653 USD
View
A
Retailer 3
-
HK$6,826 HKD
$870 USD
View
A
Retailer 4
-
HK$8,466 HKD
$1,079 USD
View
A
Retailer 5
-
HK$8,717 HKD
$1,111 USD
View
Retailer 6
-
HK$10,017 HKD
€1,216 EUR
View
Price last confirmed 8 days ago
B+
Retailer 7
-
HK$14,075 HKD
$1,794 USD
View
B+
Retailer 8
-
HK$16,468 HKD
$2,099 USD
View
B
Retailer 9
-
HK$24,810 HKD
£2,490 GBP
View
B
Retailer 10
-
HK$29,814 HKD
$3,800 USD
View
B
Retailer 11
-
HK$31,814 HKD
$4,055 USD
View
Most Expensive
B
Do Amore Diamonds
27-D7290C018 · Oct 30
HK$40,641 HKD
$5,180 USD
View
11 more retailers have this diamond
Prices start from HK$4,574 HKDSave up to HK$36,067 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
1.71ct Radiant
HK$4,574 HKD