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Round|Lab Grown|IGI

1.05ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG576351378

Shape and cutting style on the report: Round brilliant

Certificate IGI LG576351378

Diamond specifications and retailer prices

From $364 NZD
$205 USD
As of October 29, 2026
Save $1,746 NZD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,110 NZD at MOH London · As of November 1, 2026
View at MOH London

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 LG576351378 or 576351378. Listed at 19 retailers as of October 29, 2026, with prices from $364 to $2,110, a $1,746 spread on the same certified stone. MOH London lists it at $2,110. 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 angle34°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG576351378
Dimensions6.55 × 6.51 × 4.00 mm
L/W Ratio1.01
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
6.55 mm6.51 mm1.05 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG576351378
Side View
Table 58.0%Crown 34°Girdle: MediumPavilion 41°Culet: NoneDepth 61.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $2,110 NZD|Low: $350 NZD|High: $2,135 NZD|Avg: $832 NZD
MOH London
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
November 2, 2026
Retailer 11$364 NZD
Retailer 14$407 NZD
Retailer 5$421 NZD
Retailer 6$451 NZD
Retailer 13$451 NZD
Retailer 12$636 NZD
Retailer 8$779 NZD
Retailer 2$795 NZD
Retailer 7$821 NZD
Retailer 3$873 NZD
Retailer 9$1,102 NZD
Retailer 4$1,450 NZD
Retailer 10$1,456 NZD
MOH London$2,110 NZD

43 data points across 14 retailers

19 retailers$364 NZD to $2,110 NZD

A
Cheapest Retailer
-
$364 NZD
$205 USD
A
Retailer 2
-
$407 NZD
$229 USD
View
Final sale: no returns
A
Retailer 3
-
$421 NZD
$237 USD
View
Retailer 4
-
$451 NZD
$254 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$451 NZD
$254 USD
View
A
Retailer 6
-
$500 NZD
HK$2,200 HKD
View
A
Retailer 7
-
$636 NZD
$358 USD
View
A
Retailer 8
-
$779 NZD
ZAR 7,079 ZAR
View
A
Retailer 9
-
$795 NZD
€426 EUR
View
B+
Retailer 10
-
$821 NZD
£364 GBP
View
B+
Retailer 11
-
$873 NZD
$491 USD
View
B+
Retailer 12
-
$876 NZD
$493 USD
View
B+
Retailer 13
-
$1,102 NZD
A$954 AUD
View
B+
Retailer 14
-
$1,223 NZD
SGD 930 SGD
View
B
Retailer 15
-
$1,450 NZD
$816 USD
View
B
Retailer 16
-
$1,456 NZD
$819 USD
View
B
Retailer 17
-
$1,545 NZD
$869 USD
View
Retailer 18
-
$1,775 NZD
$999 USD
View
Price last confirmed 91 days ago
Most Expensive
B
MOH London
LG576351378 · Nov 1
$2,110 NZD
£935 GBP
View
18 more retailers have this diamond
Prices start from $364 NZDSave up to $1,746 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
$364 NZD