Radiant|Lab Grown|IGI

1.05ct E FL Radiant Lab Grown Diamond

EX • E/FL • IGI LG835670890

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG835670890

Diamond specifications and retailer prices

From $504 USD
As of October 29, 2026
Save $1,696 USD (77%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,200 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.05ct lab-grown radiant diamond

This 1.05ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG835670890 or 835670890. Listed at 15 retailers as of October 29, 2026, with prices from $504 to $2,200, a $1,696 spread on the same certified stone. Brilliant Earth lists it at $2,200. 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
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.1°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835670890
Dimensions7.30 × 5.10 × 3.30 mm
L/W Ratio1.43
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
7.30 mm5.10 mm1.05 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835670890
Side View
Table 65.0%Crown 40.1°Girdle: MED-STKPavilion 35.8°Culet: NoneDepth 64.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $2,200 USD|Low: $386 USD|High: $2,230 USD|Avg: $941 USD|-1.3%
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
October 8, 2026
Retailer 4$386 USD
Retailer 15$416 USD
Retailer 13$504 USD
Retailer 3$545 USD
Retailer 16$600 USD
Retailer 14$618 USD
Retailer 10$657 USD
Retailer 17$663 USD
Retailer 5$684 USD
Retailer 6$727 USD
Retailer 12$832 USD
Retailer 8$1,295 USD
Retailer 9$1,367 USD
Retailer 2$1,372 USD
Retailer 18$1,555 USD
Retailer 7$1,576 USD
Retailer 11$1,619 USD
Brilliant Earth$2,200 USD

12 data points across 18 retailers

15 retailers$504 USD to $2,200 USD

A
Retailer 1
-
$301 USD
Price last confirmed 27 days ago
A
Retailer 2
-
$384 USD
View
Price last confirmed 30 days ago
A
Retailer 3
-
$416 USD
£327 GBP
View
Price last confirmed 26 days ago
A
Retailer 4
-
$504 USD
View
B+
Retailer 5
-
$618 USD
View
B+
Retailer 6
-
$663 USD
ZAR 10,715 ZAR
View
Price last confirmed 27 days ago
B+
Retailer 7
-
$727 USD
View
Price last confirmed 26 days ago
B+
Retailer 8
-
$832 USD
View
B
Retailer 9
-
$1,249 USD
View
Price last confirmed 29 days ago
B
Retailer 10
-
$1,295 USD
View
Price last confirmed 27 days ago
B
Retailer 11
-
$1,372 USD
CA$1,905 CAD
View
B
Retailer 12
-
$1,555 USD
View
Price last confirmed 27 days ago
B
Retailer 13
-
$1,576 USD
£1,241 GBP
View
Price last confirmed 28 days ago
B
Retailer 14
-
$1,619 USD
View
Most Expensive
B
Brilliant Earth
21717750A · Oct 29
$2,200 USD
View
14 more retailers have this diamond
Prices start from $504 USDSave up to $1,696 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 Radiant
$504 USD