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Round|Lab Grown|IGI

1.56ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG821640683

Shape and cutting style on the report: Round brilliant

Certificate IGI LG821640683

Diamond specifications and retailer prices

From HK$4,668 HKD
$595 USD
As of November 1, 2026
Save HK$21,693 HKD (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$26,362 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.56ct lab-grown round diamond

This 1.56ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG821640683 or 821640683. Listed at 11 retailers as of October 31, 2026, with prices from HK$4,668 to HK$26,362, a HK$21,693 spread on the same certified stone. Brilliant Earth lists it at HK$26,362. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821640683
Dimensions7.47 × 7.43 × 4.60 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.47 mm7.43 mm1.56 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821640683
Side View
Table 57.0%Crown 33°Girdle: MediumPavilion 41.3°Culet: NoneDepth 61.7%

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: Nov 1
Current: HK$26,362 HKD|Low: HK$4,668 HKD|High: HK$26,362 HKD|Avg: HK$9,370 HKD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 7HK$4,668 HKD
Retailer 2HK$5,528 HKD
Retailer 3HK$6,269 HKD
Retailer 8HK$7,249 HKD
Retailer 5HK$10,883 HKD
Retailer 9HK$11,535 HKD
Retailer 4HK$13,631 HKD
Retailer 6HK$15,456 HKD
Brilliant EarthHK$26,362 HKD

42 data points across 9 retailers

11 retailersHK$4,668 HKD to HK$26,362 HKD

A
Cheapest Retailer
-
HK$4,668 HKD
$595 USD
A
Retailer 2
-
HK$5,528 HKD
€671 EUR
View
A
Retailer 3
-
HK$6,269 HKD
£629 GBP
View
B+
Retailer 4
-
HK$7,249 HKD
$924 USD
View
B+
Retailer 5
-
HK$10,883 HKD
A$2,134 AUD
View
B
Retailer 6
-
HK$11,535 HKD
$1,470 USD
View
B+
Retailer 7
-
HK$13,631 HKD
£1,368 GBP
View
B
Retailer 8
-
HK$14,844 HKD
$1,892 USD
View
Retailer 9
-
HK$15,456 HKD
$1,970 USD
View
Price last confirmed 15 days ago
Retailer 10
-
HK$15,456 HKD
$1,970 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
22200268A · Oct 31
HK$26,362 HKD
$3,360 USD
View
10 more retailers have this diamond
Prices start from HK$4,668 HKDSave up to HK$21,693 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
1.56ct Round
HK$4,668 HKD