CaratHunter
Plans
Heart|Lab Grown|IGI

1.59ct F SI1 Heart Lab Grown Diamond

ID • F/SI1 • IGI LG825687255

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG825687255

Diamond specifications and retailer prices

From HK$1,842 HKD
As of November 6, 2026
Save HK$7,014 HKD (79%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$8,856 HKD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 1.59ct lab-grown heart diamond

This 1.59ct lab-grown heart sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG825687255 or 825687255. Listed at 14 retailers as of November 6, 2026, with prices from HK$1,842 to HK$8,856, a HK$7,014 spread on the same certified stone. Brilliant Earth lists it at HK$8,856. 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

1.59
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.6°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825687255
Dimensions8.27 × 6.94 × 4.89 mm
L/W Ratio1.19
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.27 mm6.94 mm1.59 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825687255
Side View
Table 67.0%Crown 30.6°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 59.1%

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: Nov 6
Current: HK$8,856 HKD|Low: HK$1,599 HKD|High: HK$13,794 HKD|Avg: HK$4,708 HKD|-35.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 7, 2026
Retailer 13HK$1,669 HKD
Retailer 7HK$1,842 HKD
Retailer 12HK$1,936 HKD
Retailer 5HK$2,069 HKD
Retailer 6HK$2,602 HKD
Retailer 8HK$3,511 HKD
Retailer 2HK$3,738 HKD
Retailer 4HK$4,091 HKD
Retailer 9HK$5,376 HKD
Retailer 3HK$6,646 HKD
Retailer 10HK$6,646 HKD
Retailer 11HK$8,300 HKD
Brilliant EarthHK$8,856 HKD

42 data points across 13 retailers

14 retailersHK$1,842 HKD to HK$8,856 HKD

Retailer 1
-
HK$1,669 HKD
Price last confirmed 15 days ago
A
Retailer 2
-
HK$1,842 HKD
View
Final sale: no returns
Retailer 3
-
HK$1,936 HKD
View
Price last confirmed 14 days ago
Retailer 4
-
HK$2,069 HKD
View
Price last confirmed 13 days ago
A
Retailer 5
-
HK$2,304 HKD
View
A
Retailer 6
-
HK$2,602 HKD
View
B+
Retailer 7
-
HK$3,511 HKD
View
A
Retailer 8
-
HK$3,738 HKD
View
Retailer 9
-
HK$4,091 HKD
View
Price last confirmed 8 days ago
B
Retailer 10
-
HK$5,376 HKD
View
Retailer 11
-
HK$6,646 HKD
View
Price last confirmed 13 days ago
B
Retailer 12
-
HK$6,646 HKD
View
Retailer 13
-
HK$8,300 HKD
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
20868368A · Nov 6
HK$8,856 HKD
$1,130 USD
View
13 more retailers have this diamond
Prices start from HK$1,842 HKDSave up to HK$7,014 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
1.59ct Heart
HK$1,842 HKD