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Radiant|Lab Grown|IGI

1.64ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG799676862

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

Certificate IGI LG799676862

Diamond specifications and retailer prices

From HK$5,288 HKD
$674 USD
As of November 2, 2026
Save HK$41,631 HKD (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$46,920 HKD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.64ct lab-grown radiant diamond

This 1.64ct 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 LG799676862 or 799676862. Listed at 22 retailers as of November 2, 2026, with prices from HK$5,288 to HK$46,920, a HK$41,631 spread on the same certified stone. Do Amore Diamonds lists it at HK$46,920. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.64
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.6°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799676862
Dimensions8.72 × 5.87 × 3.87 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
8.72 mm5.87 mm1.64 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799676862
Side View
Table 60.0%Crown 39.6°Girdle: MediumPavilion 35°Culet: NoneDepth 65.9%

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: Nov 2
Current: HK$46,920 HKD|Low: HK$5,076 HKD|High: HK$46,920 HKD|Avg: HK$16,888 HKD
Do Amore Diamonds
Retailer 2
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Retailer 22
November 2, 2026
Retailer 22HK$5,288 HKD
Retailer 21HK$5,751 HKD
Retailer 9HK$5,908 HKD
Retailer 3HK$6,128 HKD
Retailer 10HK$6,128 HKD
Retailer 16HK$7,532 HKD
Retailer 5HK$7,815 HKD
Retailer 6HK$8,074 HKD
Retailer 18HK$8,436 HKD
Retailer 8HK$9,988 HKD
Retailer 13HK$10,865 HKD
Retailer 2HK$12,434 HKD
Retailer 20HK$15,661 HKD
Retailer 7HK$19,027 HKD
Retailer 4HK$20,910 HKD
Retailer 14HK$21,045 HKD
Retailer 11HK$21,054 HKD
Retailer 15HK$24,210 HKD
Retailer 12HK$24,368 HKD
Retailer 17HK$26,605 HKD
Retailer 19HK$30,678 HKD
Do Amore DiamondsHK$46,920 HKD

44 data points across 22 retailers

22 retailersHK$5,288 HKD to HK$46,920 HKD

A
Cheapest Retailer
-
HK$5,288 HKD
$674 USD
A
Retailer 2
-
HK$5,751 HKD
$733 USD
View
A
Retailer 3
-
HK$5,908 HKD
$753 USD
View
Final sale: no returns
Retailer 4
-
HK$6,128 HKD
$781 USD
View
Price last confirmed 17 days ago
A
Retailer 5
-
HK$6,128 HKD
$781 USD
View
A
Retailer 6
-
HK$7,532 HKD
$960 USD
View
A
Retailer 7
-
HK$7,815 HKD
$996 USD
View
A
Retailer 8
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HK$8,074 HKD
$1,029 USD
View
A
Retailer 9
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HK$8,436 HKD
View
B+
Retailer 10
-
HK$9,988 HKD
$1,273 USD
View
B+
Retailer 11
-
HK$10,865 HKD
£1,090 GBP
View
B+
Retailer 12
-
HK$12,434 HKD
ZAR 25,601 ZAR
View
B+
Retailer 13
-
HK$15,661 HKD
$1,996 USD
View
B
Retailer 14
-
HK$19,027 HKD
$2,425 USD
View
B
Retailer 15
-
HK$20,910 HKD
$2,665 USD
View
B
Retailer 16
-
HK$21,045 HKD
£2,112 GBP
View
B
Retailer 17
-
HK$21,054 HKD
$2,683 USD
View
B
Retailer 18
-
HK$24,210 HKD
$3,086 USD
View
B
Retailer 19
-
HK$24,368 HKD
SGD 4,197 SGD
View
Retailer 20
-
HK$26,605 HKD
£2,670 GBP
View
Price last confirmed 7 days ago
B
Retailer 21
-
HK$30,678 HKD
$3,910 USD
View
Most Expensive
B
Do Amore Diamonds
27-4291426D9 · Nov 2
HK$46,920 HKD
$5,980 USD
View
21 more retailers have this diamond
Prices start from HK$5,288 HKDSave up to HK$41,631 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
1.64ct Radiant
HK$5,288 HKD