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Radiant|Lab Grown|IGI

1.70ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG818641530

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

Certificate IGI LG818641530

Diamond specifications and retailer prices

From HK$4,551 HKD
$580 USD
As of October 30, 2026
Save HK$35,855 HKD (89%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$40,405 HKD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.7ct lab-grown radiant diamond

This 1.7ct 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 LG818641530 or 818641530. Listed at 12 retailers as of October 30, 2026, with prices from HK$4,551 to HK$40,405, a HK$35,855 spread on the same certified stone. Do Amore Diamonds lists it at HK$40,405. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.1°
Pavilion angle33.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818641530
Dimensions8.59 × 5.82 × 3.94 mm
L/W Ratio1.48
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
8.59 mm5.82 mm1.70 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818641530
Side View
Table 63.0%Crown 43.1°Girdle: MED-STKPavilion 33.4°Culet: NoneDepth 67.7%

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$40,405 HKD|Low: HK$4,551 HKD|High: HK$51,782 HKD|Avg: HK$21,486 HKD|-15.7%
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$4,551 HKD
Retailer 11HK$5,092 HKD
Retailer 3HK$6,787 HKD
Retailer 4HK$8,371 HKD
Retailer 8HK$8,677 HKD
Retailer 12HK$9,960 HKD
Retailer 9HK$13,997 HKD
Retailer 10HK$16,374 HKD
Retailer 6HK$24,671 HKD
Retailer 2HK$29,657 HKD
Retailer 13HK$31,618 HKD
Retailer 5HK$33,525 HKD
Do Amore DiamondsHK$40,405 HKD

29 data points across 13 retailers

12 retailersHK$4,551 HKD to HK$40,405 HKD

A
Cheapest Retailer
-
HK$4,551 HKD
$580 USD
A
Retailer 2
-
HK$5,092 HKD
$649 USD
View
A
Retailer 3
-
HK$6,787 HKD
$865 USD
View
A
Retailer 4
-
HK$8,371 HKD
$1,067 USD
View
A
Retailer 5
-
HK$8,677 HKD
$1,106 USD
View
Retailer 6
-
HK$9,960 HKD
€1,209 EUR
View
Price last confirmed 7 days ago
B+
Retailer 7
-
HK$13,997 HKD
$1,784 USD
View
B+
Retailer 8
-
HK$16,374 HKD
$2,087 USD
View
B
Retailer 9
-
HK$24,671 HKD
£2,476 GBP
View
B
Retailer 10
-
HK$29,657 HKD
$3,780 USD
View
B
Retailer 11
-
HK$31,618 HKD
$4,030 USD
View
Most Expensive
B
Do Amore Diamonds
27-8A72FBFBD · Oct 30
HK$40,405 HKD
$5,150 USD
View
11 more retailers have this diamond
Prices start from HK$4,551 HKDSave up to HK$35,855 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
1.70ct Radiant
HK$4,551 HKD