CaratHunter
Plans
Round|Lab Grown|IGI

1.05ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG729569980

Shape and cutting style on the report: Round brilliant

Certificate IGI LG729569980

Diamond specifications and retailer prices

From $399 NZD
$224 USD
As of October 28, 2026
Save $1,733 NZD (81%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,404 NZD at Brilliant Earth · As of October 17, 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG729569980 or 729569980. Listed at 24 retailers as of October 28, 2026, with a 435% 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
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729569980
Dimensions6.52 × 6.55 × 4.00 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
6.52 mm6.55 mm1.05 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729569980
Side View
Table 56.0%Crown 34.5°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.2%

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 28
Current: $2,404 NZD|Low: $399 NZD|High: $2,404 NZD|Avg: $1,080 NZD
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
October 29, 2026
Retailer 7$399 NZD
Retailer 9$501 NZD
Retailer 17$602 NZD
Retailer 10$748 NZD
Retailer 12$763 NZD
Retailer 2$811 NZD
Retailer 5$869 NZD
Retailer 16$894 NZD
Retailer 15$970 NZD
Retailer 14$1,075 NZD
Retailer 13$1,086 NZD
Retailer 8$1,208 NZD
Retailer 11$1,413 NZD
Retailer 6$1,523 NZD
Retailer 4$2,087 NZD
Retailer 3$2,132 NZD
Brilliant Earth$2,404 NZD

38 data points across 17 retailers

24 retailers$399 NZD to $2,132 NZD

A
Retailer 1
-
$358 NZD
$201 USD
Price last confirmed 11 days ago
A
Retailer 2
-
$399 NZD
$224 USD
View
Final sale: no returns
A
Retailer 3
-
$415 NZD
$233 USD
View
Price last confirmed 9 days ago
A
Retailer 4
-
$443 NZD
$249 USD
View
Price last confirmed 10 days ago
A
Retailer 5
-
$445 NZD
$250 USD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$458 NZD
$257 USD
View
Price last confirmed 44 days ago
A
Retailer 7
-
$501 NZD
HK$2,200 HKD
View
A
Retailer 8
-
$602 NZD
$338 USD
View
A
Retailer 9
-
$748 NZD
€400 EUR
View
A
Retailer 10
-
$763 NZD
ZAR 6,921 ZAR
View
A
Retailer 11
-
$811 NZD
£358 GBP
View
A
Retailer 12
-
$869 NZD
$488 USD
View
A
Retailer 13
-
$894 NZD
$502 USD
View
B+
Retailer 14
-
$970 NZD
A$838 AUD
View
B+
Retailer 15
-
$1,075 NZD
$604 USD
View
Price last confirmed 8 days ago
B+
Retailer 16
-
$1,086 NZD
A$938 AUD
View
B+
Retailer 17
-
$1,141 NZD
$641 USD
View
B+
Retailer 18
-
$1,208 NZD
SGD 917 SGD
View
B+
Retailer 19
-
$1,413 NZD
A$1,221 AUD
View
B+
Retailer 20
-
$1,428 NZD
$802 USD
View
Price last confirmed 11 days ago
B+
Retailer 21
-
$1,523 NZD
$855 USD
View
B
Retailer 22
-
$2,087 NZD
£923 GBP
View
B
Retailer 23
-
$2,132 NZD
$1,197 USD
View
Most Expensive
B
Brilliant Earth
16533432A · Oct 17
$2,404 NZD
$1,350 USD
View
Price last confirmed 12 days ago
23 more retailers have this diamond
Prices start from $399 NZDSave up to $1,733 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
$399 NZD