CaratHunter
Plans
Round|Lab Grown|IGI

1.05ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG734531337

Shape and cutting style on the report: Round brilliant

Certificate IGI LG734531337

Diamond specifications and retailer prices

From $272 AUD
$191 USD
As of October 29, 2026
Save $2,033 AUD (88%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,304 AUD at Helzberg Diamonds · As of October 29, 2026
View at Helzberg Diamonds

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 LG734531337 or 734531337. Listed at 23 retailers as of October 29, 2026, with prices from $272 to $2,304, a $2,033 spread on the same certified stone. Helzberg Diamonds lists it at $2,304. 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 angle35°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG734531337
Dimensions6.52 × 6.50 × 4.02 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 mm6.50 mm1.05 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG734531337
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.7%

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: Oct 29
Current: $2,304 AUD|Low: $263 AUD|High: $2,304 AUD|Avg: $866 AUD
Helzberg Diamonds
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
Retailer 21
Retailer 22
Retailer 23
October 30, 2026
Retailer 13$272 AUD
Retailer 12$303 AUD
Retailer 23$315 AUD
Retailer 4$336 AUD
Retailer 14$336 AUD
Retailer 16$455 AUD
Retailer 8$546 AUD
Retailer 18$569 AUD
Retailer 20$577 AUD
Retailer 2$610 AUD
Retailer 7$709 AUD
Retailer 6$738 AUD
Retailer 9$784 AUD
Retailer 22$821 AUD
Retailer 3$857 AUD
Retailer 21$1,080 AUD
Retailer 19$1,120 AUD
Retailer 11$1,158 AUD
Retailer 5$1,487 AUD
Retailer 17$1,580 AUD
Retailer 15$1,656 AUD
Retailer 10$1,922 AUD
Helzberg Diamonds$2,304 AUD

25 data points across 23 retailers

23 retailers$272 AUD to $2,304 AUD

A
Cheapest Retailer
-
$272 AUD
$191 USD
A
Retailer 2
-
$303 AUD
$213 USD
View
Final sale: no returns
A
Retailer 3
-
$315 AUD
$221 USD
View
A
Retailer 4
-
$336 AUD
$236 USD
View
A
Retailer 5
-
$336 AUD
$236 USD
View
A
Retailer 6
-
$455 AUD
$320 USD
View
Retailer 7
-
$546 AUD
£302 GBP
View
Price last confirmed 13 days ago
A
Retailer 8
-
$569 AUD
€381 EUR
View
A
Retailer 9
-
$577 AUD
ZAR 6,553 ZAR
View
A
Retailer 10
-
$610 AUD
£337 GBP
View
A
Retailer 11
-
$709 AUD
$498 USD
View
A
Retailer 12
-
$738 AUD
View
B+
Retailer 13
-
$784 AUD
$551 USD
View
A
Retailer 14
-
$821 AUD
View
B+
Retailer 15
-
$857 AUD
$602 USD
View
B+
Retailer 16
-
$1,080 AUD
$759 USD
View
B+
Retailer 17
-
$1,120 AUD
View
B+
Retailer 18
-
$1,158 AUD
$813 USD
View
Retailer 19
-
$1,487 AUD
$1,045 USD
View
Price last confirmed 9 days ago
B+
Retailer 20
-
$1,580 AUD
£874 GBP
View
B
Retailer 21
-
$1,656 AUD
$1,163 USD
View
Retailer 22
-
$1,922 AUD
$1,350 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Helzberg Diamonds
ZXZOJMMHLNMO · Oct 29
$2,304 AUD
$1,619 USD
View
22 more retailers have this diamond
Prices start from $272 AUDSave up to $2,033 AUD

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
$272 AUD