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Round|Lab Grown|IGI

1.05ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG818644805

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818644805

Diamond specifications and retailer prices

From $374 NZD
$210 USD
As of October 29, 2026
Save $3,108 NZD (89%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $3,482 NZD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.05ct lab-grown round diamond

This 1.05ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818644805 or 818644805. Listed at 24 retailers as of October 27, 2026, with prices from $374 to $3,482, a $3,108 spread on the same certified stone. Queensmith lists it at $3,482. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818644805
Dimensions6.56 × 6.60 × 3.95 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
6.56 mm6.60 mm1.05 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818644805
Side View
Table 60.0%Crown 33°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.0%

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: Oct 29
Current: $752 NZD|Low: $360 NZD|High: $2,404 NZD|Avg: $1,026 NZD|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 2$374 NZD
Retailer 4$465 NZD
Retailer 3$627 NZD
Retailer 1$752 NZD
Retailer 7$776 NZD
Retailer 8$798 NZD
Retailer 5$854 NZD
Retailer 9$1,135 NZD
Retailer 12$1,200 NZD
Retailer 10$1,861 NZD
Retailer 6$1,870 NZD
Retailer 11$2,404 NZD

36 data points across 12 retailers

24 retailers$374 NZD to $3,482 NZD

A
Cheapest Retailer
-
$374 NZD
$210 USD
A
Retailer 2
-
$420 NZD
$236 USD
View
Final sale: no returns
A
Retailer 3
-
$434 NZD
$244 USD
View
A
Retailer 4
-
$465 NZD
$261 USD
View
A
Retailer 5
-
$465 NZD
$261 USD
View
A
Retailer 6
-
$524 NZD
HK$2,300 HKD
View
A
Retailer 7
-
$627 NZD
$352 USD
View
A
Retailer 8
-
$752 NZD
£332 GBP
View
A
Retailer 9
-
$776 NZD
€415 EUR
View
A
Retailer 10
-
$798 NZD
ZAR 7,237 ZAR
View
A
Retailer 11
-
$854 NZD
£378 GBP
View
A
Retailer 12
-
$885 NZD
$497 USD
View
A
Retailer 13
-
$901 NZD
$506 USD
View
B+
Retailer 14
-
$1,135 NZD
A$981 AUD
View
B+
Retailer 15
-
$1,200 NZD
$674 USD
View
B+
Retailer 16
-
$1,260 NZD
SGD 956 SGD
View
B+
Retailer 17
-
$1,492 NZD
$838 USD
View
B+
Retailer 18
-
$1,586 NZD
$891 USD
View
B+
Retailer 19
-
$1,587 NZD
$891 USD
View
Retailer 20
-
$1,861 NZD
$1,045 USD
View
Price last confirmed 9 days ago
B+
Retailer 21
-
$1,870 NZD
£827 GBP
View
B
Retailer 22
-
$2,184 NZD
$1,227 USD
View
Retailer 23
-
$2,404 NZD
$1,350 USD
View
Price last confirmed 14 days ago
Most Expensive
B
Queensmith
LG818644805 · Oct 27
$3,482 NZD
£1,540 GBP
View
23 more retailers have this diamond
Prices start from $374 NZDSave up to $3,108 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
$374 NZD