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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 $330 NZD
$186 USD
As of November 1, 2026
Save $1,581 NZD (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,874 NZD 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: $2,874 NZD|Low: $330 NZD|High: $3,353 NZD|Avg: $1,028 NZD|-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$330 NZD
Retailer 20$381 NZD
Retailer 8$408 NZD
Retailer 9$408 NZD
Retailer 10$550 NZD
Retailer 2$697 NZD
Retailer 15$706 NZD
Retailer 12$717 NZD
Retailer 14$738 NZD
Retailer 3$862 NZD
Retailer 17$932 NZD
Retailer 6$969 NZD
Retailer 18$976 NZD
Retailer 13$996 NZD
Retailer 11$1,108 NZD
Retailer 19$1,307 NZD
Retailer 5$1,315 NZD
Retailer 7$1,410 NZD
Retailer 16$1,911 NZD
Brilliant Earth$2,874 NZD

38 data points across 20 retailers

21 retailers$330 NZD to $1,911 NZD

A
Cheapest Retailer
-
$330 NZD
$186 USD
A
Retailer 2
-
$381 NZD
$215 USD
View
A
Retailer 3
-
$408 NZD
$230 USD
View
Retailer 4
-
$408 NZD
$230 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$550 NZD
$310 USD
View
A
Retailer 6
-
$697 NZD
€374 EUR
View
A
Retailer 7
-
$706 NZD
ZAR 6,424 ZAR
View
Retailer 8
-
$717 NZD
£318 GBP
View
Price last confirmed 18 days ago
A
Retailer 9
-
$738 NZD
£328 GBP
View
B+
Retailer 10
-
$862 NZD
$486 USD
View
B+
Retailer 11
-
$932 NZD
A$808 AUD
View
B+
Retailer 12
-
$969 NZD
$546 USD
View
B+
Retailer 13
-
$976 NZD
$550 USD
View
B+
Retailer 14
-
$996 NZD
A$864 AUD
View
B+
Retailer 15
-
$1,108 NZD
SGD 844 SGD
View
B+
Retailer 16
-
$1,307 NZD
A$1,133 AUD
View
B+
Retailer 17
-
$1,315 NZD
$741 USD
View
B
Retailer 18
-
$1,410 NZD
$795 USD
View
Retailer 19
-
$1,772 NZD
$999 USD
View
Price last confirmed 91 days ago
B
Retailer 20
-
$1,911 NZD
£848 GBP
View
Most Expensive
Brilliant Earth
18208684A · Oct 24
$2,874 NZD
$1,620 USD
View
Price last confirmed 8 days ago
20 more retailers have this diamond
Prices start from $330 NZDSave up to $1,581 NZD

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
$330 NZD