CaratHunter
Plans
Round|Lab Grown|IGI

1.80ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG651482936

Shape and cutting style on the report: Round brilliant

Certificate IGI LG651482936

Diamond specifications and retailer prices

From HK$1,710 HKD
$218 USD
As of November 1, 2026
Save HK$8,882 HKD (84%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$10,592 HKD at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

About this 1.8ct lab-grown round diamond

This 1.8ct lab-grown round 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 LG651482936 or 651482936. Listed at 15 retailers as of November 1, 2026, with prices from HK$1,710 to HK$10,592, a HK$8,882 spread on the same certified stone. Brilliant Earth lists it at HK$10,592. 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

1.80
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG651482936
Dimensions7.80 × 7.74 × 4.80 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.80 mm7.74 mm1.80 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG651482936
Side View
Table 59.0%Crown 35.1°Girdle: MED-STKPavilion 41°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$10,592 HKD|Low: HK$1,648 HKD|High: HK$10,592 HKD|Avg: HK$3,989 HKD
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
Retailer 14
Retailer 15
November 2, 2026
Retailer 8HK$1,710 HKD
Retailer 7HK$1,914 HKD
Retailer 14HK$1,985 HKD
Retailer 9HK$2,126 HKD
Retailer 5HK$2,150 HKD
Retailer 3HK$3,551 HKD
Retailer 15HK$3,641 HKD
Retailer 2HK$3,901 HKD
Retailer 13HK$4,206 HKD
Retailer 12HK$4,527 HKD
Retailer 10HK$6,826 HKD
Retailer 11HK$6,850 HKD
Retailer 6HK$7,140 HKD
Retailer 4HK$8,629 HKD
Brilliant EarthHK$10,592 HKD

41 data points across 15 retailers

15 retailersHK$1,710 HKD to HK$10,592 HKD

A
Cheapest Retailer
-
HK$1,710 HKD
$218 USD
A
Retailer 2
-
HK$1,914 HKD
$244 USD
View
Final sale: no returns
A
Retailer 3
-
HK$1,985 HKD
$253 USD
View
A
Retailer 4
-
HK$2,126 HKD
$271 USD
View
Retailer 5
-
HK$2,150 HKD
$274 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
HK$3,551 HKD
€431 EUR
View
B+
Retailer 7
-
HK$3,641 HKD
$464 USD
View
A
Retailer 8
-
HK$3,901 HKD
£391 GBP
View
A
Retailer 9
-
HK$4,206 HKD
$536 USD
View
A
Retailer 10
-
HK$4,527 HKD
$577 USD
View
B+
Retailer 11
-
HK$6,826 HKD
$870 USD
View
B+
Retailer 12
-
HK$6,850 HKD
$873 USD
View
B
Retailer 13
-
HK$7,140 HKD
$910 USD
View
B
Retailer 14
-
HK$8,629 HKD
£866 GBP
View
Most Expensive
B
Brilliant Earth
11867105A · Nov 1
HK$10,592 HKD
$1,350 USD
View
14 more retailers have this diamond
Prices start from HK$1,710 HKDSave up to HK$8,882 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
1.80ct Round
HK$1,710 HKD