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Radiant|Lab Grown|IGI

1.64ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG614324832

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

Certificate IGI LG614324832

Diamond specifications and retailer prices

From HK$1,216 HKD
$155 USD
As of October 27, 2026
Save HK$10,474 HKD (90%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$11,690 HKD at Do Amore Diamonds · As of October 30, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG614324832 or 614324832. Listed at 11 retailers as of October 27, 2026, with prices from HK$1,216 to HK$11,690, a HK$10,474 spread on the same certified stone. Do Amore Diamonds lists it at HK$11,690. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.64
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.3°
Pavilion angle34°
OriginLab Grown
Grading LabIGI
CertificateIGI LG614324832
Dimensions8.41 × 5.78 × 3.82 mm
L/W Ratio1.46
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.41 mm5.78 mm1.64 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG614324832
Side View
Table 66.0%Crown 46.3°Girdle: MediumPavilion 34°Culet: NoneDepth 66.1%

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 27
Current: HK$11,690 HKD|Low: HK$1,216 HKD|High: HK$12,396 HKD|Avg: HK$5,542 HKD|-5.7%
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 26, 2026
Retailer 8HK$1,216 HKD
Retailer 6HK$1,412 HKD
Retailer 13HK$1,444 HKD
Retailer 10HK$2,754 HKD
Retailer 3HK$3,247 HKD
Retailer 4HK$4,793 HKD
Retailer 7HK$5,139 HKD
Retailer 9HK$5,366 HKD
Retailer 11HK$5,606 HKD
Retailer 5HK$7,261 HKD
Retailer 2HK$7,812 HKD
Retailer 12HK$8,238 HKD
Do Amore DiamondsHK$11,690 HKD

19 data points across 13 retailers

11 retailersHK$1,216 HKD to HK$11,690 HKD

A
Cheapest Retailer
-
HK$1,216 HKD
$155 USD
A
Retailer 2
-
HK$1,412 HKD
$180 USD
View
A
Retailer 3
-
HK$1,444 HKD
$184 USD
View
Final sale: no returns
B+
Retailer 4
-
HK$2,754 HKD
$351 USD
View
B+
Retailer 5
-
HK$5,139 HKD
$655 USD
View
B+
Retailer 6
-
HK$5,366 HKD
$684 USD
View
B+
Retailer 7
-
HK$5,606 HKD
$715 USD
View
B
Retailer 8
-
HK$7,620 HKD
£765 GBP
View
B+
Retailer 9
-
HK$7,812 HKD
£784 GBP
View
B
Retailer 10
-
HK$8,238 HKD
$1,050 USD
View
Most Expensive
B
Do Amore Diamonds
27-7F34645DF · Oct 30
HK$11,690 HKD
$1,490 USD
View
10 more retailers have this diamond
Prices start from HK$1,216 HKDSave up to HK$10,474 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$1,216 HKD