Round|Lab Grown|IGI

1.05ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG816612630

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816612630

Diamond specifications and retailer prices

From $225 USD
As of October 29, 2026
Save $1,075 USD (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,300 USD at Brilliant Earth · As of October 30, 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816612630 or 816612630. Listed at 20 retailers as of October 29, 2026, with prices from $225 to $1,300, a $1,075 spread on the same certified stone. Brilliant Earth lists it at $1,300. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816612630
Dimensions6.52 × 6.48 × 4.01 mm
L/W Ratio1.01
Girdle conditionFaceted
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 mm6.48 mm1.05 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816612630
Side View
Table 59.0%Crown 35.1°Girdle: MED-STKPavilion 41°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: $1,300 USD|Low: $225 USD|High: $1,480 USD|Avg: $599 USD|-12.2%
Brilliant Earth
Retailer 2
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Retailer 6
Retailer 7
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Retailer 12
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Retailer 20
October 30, 2026
Retailer 9$225 USD
Retailer 4$251 USD
Retailer 5$261 USD
Retailer 3$279 USD
Retailer 12$290 USD
Retailer 16$392 USD
Retailer 13$451 USD
Retailer 15$467 USD
Retailer 18$479 USD
Retailer 19$510 USD
Retailer 14$519 USD
Retailer 7$588 USD
Retailer 6$604 USD
Retailer 2$722 USD
Retailer 20$896 USD
Retailer 8$949 USD
Retailer 10$1,035 USD
Retailer 11$1,177 USD
Retailer 17$1,273 USD
Brilliant Earth$1,300 USD

32 data points across 20 retailers

20 retailers$225 USD to $1,300 USD

A
Cheapest Retailer
-
$225 USD
A
Retailer 2
-
$251 USD
View
Final sale: no returns
A
Retailer 3
-
$261 USD
View
A
Retailer 4
-
$279 USD
View
Retailer 5
-
$290 USD
View
Price last confirmed 19 days ago
A
Retailer 6
-
$392 USD
View
A
Retailer 7
-
$451 USD
£355 GBP
View
A
Retailer 8
-
$467 USD
€445 EUR
View
A
Retailer 9
-
$479 USD
ZAR 7,740 ZAR
View
A
Retailer 10
-
$510 USD
View
A
Retailer 11
-
$519 USD
£408 GBP
View
B+
Retailer 12
-
$588 USD
View
B+
Retailer 13
-
$604 USD
View
B+
Retailer 14
-
$722 USD
View
B+
Retailer 15
-
$896 USD
View
B
Retailer 16
-
$949 USD
View
B+
Retailer 17
-
$1,035 USD
View
Retailer 18
-
$1,177 USD
£927 GBP
View
Price last confirmed 20 days ago
B
Retailer 19
-
$1,273 USD
View
Most Expensive
B
Brilliant Earth
21018826A · Oct 30
$1,300 USD
View
19 more retailers have this diamond
Prices start from $225 USDSave up to $1,075 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
$225 USD