CaratHunter
Plans
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 $186 USD
As of November 1, 2026
Save $891 USD (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,620 USD 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
Color
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: $1,620 USD|Low: $186 USD|High: $1,890 USD|Avg: $578 USD|-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 4$186 USD
Retailer 20$215 USD
Retailer 8$230 USD
Retailer 9$230 USD
Retailer 10$310 USD
Retailer 15$390 USD
Retailer 13$398 USD
Retailer 12$404 USD
Retailer 2$416 USD
Retailer 3$486 USD
Retailer 16$525 USD
Retailer 6$546 USD
Retailer 17$550 USD
Retailer 19$562 USD
Retailer 11$625 USD
Retailer 18$736 USD
Retailer 5$741 USD
Retailer 7$795 USD
Retailer 14$1,077 USD
Brilliant Earth$1,620 USD

39 data points across 20 retailers

21 retailers$186 USD to $1,077 USD

A
Cheapest Retailer
-
$186 USD
A
Retailer 2
-
$215 USD
View
A
Retailer 3
-
$230 USD
View
Retailer 4
-
$230 USD
View
Price last confirmed 7 days ago
B+
Retailer 5
-
$310 USD
View
A
Retailer 6
-
$390 USD
€371 EUR
View
A
Retailer 7
-
$398 USD
ZAR 6,424 ZAR
View
Retailer 8
-
$404 USD
£318 GBP
View
Price last confirmed 17 days ago
A
Retailer 9
-
$416 USD
£328 GBP
View
B+
Retailer 10
-
$486 USD
View
B+
Retailer 11
-
$525 USD
A$808 AUD
View
B+
Retailer 12
-
$546 USD
View
B+
Retailer 13
-
$550 USD
View
B+
Retailer 14
-
$562 USD
A$865 AUD
View
B+
Retailer 15
-
$625 USD
SGD 844 SGD
View
B+
Retailer 16
-
$736 USD
A$1,133 AUD
View
B+
Retailer 17
-
$741 USD
View
B
Retailer 18
-
$795 USD
View
Retailer 19
-
$999 USD
View
Price last confirmed 90 days ago
B
Retailer 20
-
$1,077 USD
£848 GBP
View
Most Expensive
Brilliant Earth
18208684A · Oct 24
$1,620 USD
View
Price last confirmed 8 days ago
20 more retailers have this diamond
Prices start from $186 USDSave up to $891 USD

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
$186 USD