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Radiant|Lab Grown|IGI

1.65ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG559296256

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

Certificate IGI LG559296256

Diamond specifications and retailer prices

From HK$1,405 HKD
$179 USD
As of October 27, 2026
Save HK$12,091 HKD (90%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$13,496 HKD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.65ct lab-grown radiant diamond

This 1.65ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG559296256 or 559296256. Listed at 9 retailers as of October 27, 2026, with prices from HK$1,405 to HK$13,496, a HK$12,091 spread on the same certified stone. Do Amore Diamonds lists it at HK$13,496. 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

1.65
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle49.1°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG559296256
Dimensions8.41 × 5.89 × 3.95 mm
L/W Ratio1.43
Culet sizePointed
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 mm5.89 mm1.65 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG559296256
Side View
Table 66.5%Crown 49.1°Girdle: MediumPavilion 36°Culet: NoneDepth 67.1%

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$13,496 HKD|Low: HK$1,122 HKD|High: HK$13,810 HKD|Avg: HK$5,456 HKD|-2.3%
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
Retailer 14
October 29, 2026
Retailer 11HK$1,405 HKD
Retailer 13HK$1,609 HKD
Retailer 10HK$1,624 HKD
Retailer 9HK$3,084 HKD
Retailer 4HK$3,422 HKD
Retailer 5HK$4,276 HKD
Retailer 14HK$4,323 HKD
Retailer 6HK$5,212 HKD
Retailer 8HK$5,908 HKD
Retailer 3HK$6,115 HKD
Retailer 12HK$6,175 HKD
Retailer 7HK$7,572 HKD
Retailer 2HK$9,028 HKD
Do Amore DiamondsHK$13,496 HKD

16 data points across 14 retailers

9 retailersHK$1,405 HKD to HK$13,496 HKD

A
Cheapest Retailer
-
HK$1,405 HKD
$179 USD
A
Retailer 2
-
HK$1,609 HKD
$205 USD
View
Final sale: no returns
A
Retailer 3
-
HK$1,624 HKD
$207 USD
View
B+
Retailer 4
-
HK$3,084 HKD
$393 USD
View
B+
Retailer 5
-
HK$5,908 HKD
$753 USD
View
B+
Retailer 6
-
HK$6,175 HKD
$787 USD
View
B
Retailer 7
-
HK$7,572 HKD
$965 USD
View
Price last confirmed 11 days ago
B
Retailer 8
-
HK$9,028 HKD
£906 GBP
View
Most Expensive
B
Do Amore Diamonds
27-07695C7B0 · Oct 29
HK$13,496 HKD
$1,720 USD
View
8 more retailers have this diamond
Prices start from HK$1,405 HKDSave up to HK$12,091 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
1.65ct Radiant
HK$1,405 HKD