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 $191 USD
As of October 29, 2026
Save $1,428 USD (88%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,619 USD 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 $191 to $1,619, a $1,428 spread on the same certified stone. Helzberg Diamonds lists it at $1,619. 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
Color
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: $1,619 USD|Low: $185 USD|High: $1,619 USD|Avg: $607 USD
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 29, 2026
Retailer 13$191 USD
Retailer 12$213 USD
Retailer 23$221 USD
Retailer 4$236 USD
Retailer 14$236 USD
Retailer 16$320 USD
Retailer 8$383 USD
Retailer 18$400 USD
Retailer 20$406 USD
Retailer 2$429 USD
Retailer 7$498 USD
Retailer 6$519 USD
Retailer 9$551 USD
Retailer 22$577 USD
Retailer 3$602 USD
Retailer 21$759 USD
Retailer 19$787 USD
Retailer 11$813 USD
Retailer 5$1,045 USD
Retailer 17$1,110 USD
Retailer 15$1,163 USD
Retailer 10$1,350 USD
Helzberg Diamonds$1,619 USD

24 data points across 23 retailers

23 retailers$191 USD to $1,619 USD

A
Cheapest Retailer
-
$191 USD
A
Retailer 2
-
$213 USD
View
Final sale: no returns
A
Retailer 3
-
$221 USD
View
A
Retailer 4
-
$236 USD
View
A
Retailer 5
-
$236 USD
View
A
Retailer 6
-
$320 USD
View
A
Retailer 7
-
$383 USD
£302 GBP
View
Price last confirmed 12 days ago
A
Retailer 8
-
$400 USD
€381 EUR
View
A
Retailer 9
-
$406 USD
ZAR 6,553 ZAR
View
A
Retailer 10
-
$429 USD
£337 GBP
View
A
Retailer 11
-
$498 USD
View
A
Retailer 12
-
$519 USD
A$798 AUD
View
B+
Retailer 13
-
$551 USD
View
A
Retailer 14
-
$577 USD
A$887 AUD
View
B+
Retailer 15
-
$602 USD
View
B+
Retailer 16
-
$759 USD
View
B+
Retailer 17
-
$787 USD
A$1,210 AUD
View
B+
Retailer 18
-
$813 USD
View
B
Retailer 19
-
$1,045 USD
View
Price last confirmed 8 days ago
B+
Retailer 20
-
$1,110 USD
£874 GBP
View
B
Retailer 21
-
$1,163 USD
View
B
Retailer 22
-
$1,350 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Helzberg Diamonds
ZXZOJMMHLNMO · Oct 29
$1,619 USD
View
22 more retailers have this diamond
Prices start from $191 USDSave up to $1,428 USD

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
$191 USD