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Round|Lab Grown|IGI

1.05ct F IF Round Lab Grown Diamond

EX • F/IF • IGI LG800683279

Shape and cutting style on the report: Round brilliant

Certificate IGI LG800683279

Diamond specifications and retailer prices

From $339 NZD
$191 USD
As of November 1, 2026
Save $1,758 NZD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,097 NZD at Brilliant Earth · As of November 2, 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 LG800683279 or 800683279. Listed at 18 retailers as of November 1, 2026, with prices from $339 to $2,097, a $1,758 spread on the same certified stone. Brilliant Earth lists it at $2,097. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800683279
Dimensions6.48 × 6.43 × 4.07 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.48 mm6.43 mm1.05 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800683279
Side View
Table 57.0%Crown 34.9°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 63.0%

Caratlytics Score

How it works →
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: Nov 1
Current: $2,097 NZD|Low: $332 NZD|High: $2,453 NZD|Avg: $1,005 NZD|-14.5%
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
November 2, 2026
Retailer 4$339 NZD
Retailer 5$380 NZD
Retailer 7$411 NZD
Retailer 9$711 NZD
Retailer 12$728 NZD
Retailer 14$738 NZD
Retailer 11$765 NZD
Retailer 13$848 NZD
Retailer 15$867 NZD
Retailer 10$1,028 NZD
Retailer 2$1,120 NZD
Retailer 3$1,418 NZD
Retailer 16$1,451 NZD
Retailer 8$1,662 NZD
Retailer 6$1,982 NZD
Brilliant Earth$2,097 NZD

36 data points across 16 retailers

18 retailers$339 NZD to $2,097 NZD

A
Cheapest Retailer
-
$339 NZD
$191 USD
A
Retailer 2
-
$380 NZD
$214 USD
View
Final sale: no returns
Retailer 3
-
$411 NZD
$231 USD
View
Price last confirmed 8 days ago
Retailer 4
-
$423 NZD
$238 USD
View
Price last confirmed 48 days ago
A
Retailer 5
-
$711 NZD
€381 EUR
View
A
Retailer 6
-
$728 NZD
ZAR 6,616 ZAR
View
A
Retailer 7
-
$738 NZD
$415 USD
View
A
Retailer 8
-
$765 NZD
£339 GBP
View
A
Retailer 9
-
$848 NZD
$477 USD
View
B+
Retailer 10
-
$867 NZD
$488 USD
View
B+
Retailer 11
-
$1,028 NZD
A$890 AUD
View
B+
Retailer 12
-
$1,120 NZD
$630 USD
View
Retailer 13
-
$1,257 NZD
$707 USD
View
Price last confirmed 48 days ago
B
Retailer 14
-
$1,418 NZD
$798 USD
View
B
Retailer 15
-
$1,451 NZD
$816 USD
View
Retailer 16
-
$1,662 NZD
$935 USD
View
Price last confirmed 33 days ago
B
Retailer 17
-
$1,982 NZD
£878 GBP
View
Most Expensive
B
Brilliant Earth
20725977A · Nov 2
$2,097 NZD
$1,180 USD
View
17 more retailers have this diamond
Prices start from $339 NZDSave up to $1,758 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
$339 NZD