Round|Lab Grown|IGI

1.05ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG737509722

Shape and cutting style on the report: Round brilliant

Certificate IGI LG737509722

Diamond specifications and retailer prices

From $224 USD
As of October 28, 2026
Save $973 USD (81%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,350 USD 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 LG737509722 or 737509722. Listed at 23 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
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG737509722
Dimensions6.52 × 6.55 × 4.01 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 LG737509722
Side View
Table 57.0%Crown 33.6°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.4%

Caratlytics Score

How it works →
A+
Exceptional
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: $1,350 USD|Low: $224 USD|High: $1,350 USD|Avg: $603 USD
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
Retailer 18
Retailer 19
October 29, 2026
Retailer 9$224 USD
Retailer 19$233 USD
Retailer 11$282 USD
Retailer 5$338 USD
Retailer 14$405 USD
Retailer 13$420 USD
Retailer 15$428 USD
Retailer 2$455 USD
Retailer 7$488 USD
Retailer 4$502 USD
Retailer 3$545 USD
Retailer 18$604 USD
Retailer 16$610 USD
Retailer 10$679 USD
Retailer 17$801 USD
Retailer 8$855 USD
Retailer 12$1,172 USD
Retailer 6$1,197 USD
Brilliant Earth$1,350 USD

35 data points across 19 retailers

23 retailers$224 USD to $1,197 USD

A+
Retailer 1
-
$201 USD
Price last confirmed 11 days ago
A
Retailer 2
-
$224 USD
View
Final sale: no returns
A
Retailer 3
-
$233 USD
View
Price last confirmed 9 days ago
A
Retailer 4
-
$249 USD
View
Price last confirmed 10 days ago
A
Retailer 5
-
$282 USD
HK$2,200 HKD
View
A
Retailer 6
-
$338 USD
View
A
Retailer 7
-
$405 USD
£319 GBP
View
A
Retailer 8
-
$420 USD
€400 EUR
View
A
Retailer 9
-
$428 USD
ZAR 6,921 ZAR
View
A
Retailer 10
-
$455 USD
£358 GBP
View
A
Retailer 11
-
$488 USD
View
A
Retailer 12
-
$502 USD
View
B+
Retailer 13
-
$545 USD
A$838 AUD
View
B+
Retailer 14
-
$604 USD
View
Price last confirmed 7 days ago
B+
Retailer 15
-
$610 USD
A$938 AUD
View
B+
Retailer 16
-
$641 USD
View
B+
Retailer 17
-
$679 USD
SGD 917 SGD
View
B+
Retailer 18
-
$801 USD
A$1,232 AUD
View
B+
Retailer 19
-
$802 USD
View
Price last confirmed 11 days ago
B+
Retailer 20
-
$855 USD
View
B
Retailer 21
-
$1,172 USD
£923 GBP
View
B
Retailer 22
-
$1,197 USD
View
Most Expensive
B
Brilliant Earth
16732311A · Oct 17
$1,350 USD
View
Price last confirmed 12 days ago
22 more retailers have this diamond
Prices start from $224 USDSave up to $973 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
$224 USD