Round|Lab Grown|IGI

1.05ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG727575191

Shape and cutting style on the report: Round brilliant

Certificate IGI LG727575191

Diamond specifications and retailer prices

From HK$1,459 HKD
$186 USD
As of November 1, 2026
Save HK$6,990 HKD (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$12,710 HKD at Brilliant Earth · As of October 24, 2026
View at Brilliant Earth

About this 1.05ct lab-grown round diamond

This 1.05ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG727575191 or 727575191. Listed at 21 retailers as of November 1, 2026, with a 479% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG727575191
Dimensions6.60 × 6.63 × 3.96 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.60 mm6.63 mm1.05 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG727575191
Side View
Table 58.0%Crown 33.2°Girdle: MediumPavilion 40.9°Culet: NoneDepth 59.7%

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$12,710 HKD|Low: HK$1,459 HKD|High: HK$14,828 HKD|Avg: HK$4,544 HKD|-14.3%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 2, 2026
Retailer 4HK$1,459 HKD
Retailer 20HK$1,687 HKD
Retailer 8HK$1,805 HKD
Retailer 9HK$1,805 HKD
Retailer 10HK$2,432 HKD
Retailer 2HK$3,081 HKD
Retailer 15HK$3,120 HKD
Retailer 12HK$3,169 HKD
Retailer 14HK$3,265 HKD
Retailer 3HK$3,813 HKD
Retailer 17HK$4,121 HKD
Retailer 6HK$4,284 HKD
Retailer 18HK$4,315 HKD
Retailer 13HK$4,406 HKD
Retailer 11HK$4,900 HKD
Retailer 19HK$5,778 HKD
Retailer 5HK$5,814 HKD
Retailer 7HK$6,234 HKD
Retailer 16HK$8,450 HKD
Brilliant EarthHK$12,710 HKD

38 data points across 20 retailers

21 retailersHK$1,459 HKD to HK$8,450 HKD

A
Cheapest Retailer
-
HK$1,459 HKD
$186 USD
A
Retailer 2
-
HK$1,687 HKD
$215 USD
View
A
Retailer 3
-
HK$1,805 HKD
$230 USD
View
Retailer 4
-
HK$1,805 HKD
$230 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
HK$2,432 HKD
$310 USD
View
A
Retailer 6
-
HK$3,081 HKD
€374 EUR
View
A
Retailer 7
-
HK$3,120 HKD
ZAR 6,424 ZAR
View
Retailer 8
-
HK$3,169 HKD
£318 GBP
View
Price last confirmed 18 days ago
A
Retailer 9
-
HK$3,265 HKD
£328 GBP
View
B+
Retailer 10
-
HK$3,813 HKD
$486 USD
View
B+
Retailer 11
-
HK$4,121 HKD
A$808 AUD
View
B+
Retailer 12
-
HK$4,284 HKD
$546 USD
View
B+
Retailer 13
-
HK$4,315 HKD
$550 USD
View
B+
Retailer 14
-
HK$4,406 HKD
A$864 AUD
View
B+
Retailer 15
-
HK$4,900 HKD
SGD 844 SGD
View
B+
Retailer 16
-
HK$5,778 HKD
A$1,133 AUD
View
B+
Retailer 17
-
HK$5,814 HKD
$741 USD
View
B
Retailer 18
-
HK$6,234 HKD
$795 USD
View
Retailer 19
-
HK$7,838 HKD
$999 USD
View
Price last confirmed 91 days ago
B
Retailer 20
-
HK$8,450 HKD
£848 GBP
View
Most Expensive
Brilliant Earth
18208684A · Oct 24
HK$12,710 HKD
$1,620 USD
View
Price last confirmed 8 days ago
20 more retailers have this diamond
Prices start from HK$1,459 HKDSave up to HK$6,990 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
1.05ct Round
HK$1,459 HKD