Radiant|Lab Grown|IGI

1.05ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG811633601

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

Certificate IGI LG811633601

Diamond specifications and retailer prices

From $239 USD
As of October 30, 2026
Save $1,981 USD (89%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,220 USD at Brilliant Earth · As of October 30, 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811633601 or 811633601. Listed at 20 retailers as of October 30, 2026, with prices from $239 to $2,220, a $1,981 spread on the same certified stone. Brilliant Earth lists it at $2,220. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.9°
Pavilion angle33.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811633601
Dimensions7.45 × 5.12 × 3.25 mm
L/W Ratio1.46
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
7.45 mm5.12 mm1.05 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811633601
Side View
Table 62.0%Crown 40.9°Girdle: MED-STKPavilion 33.4°Culet: NoneDepth 63.5%

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 30
Current: $2,220 USD|Low: $239 USD|High: $2,720 USD|Avg: $797 USD|-18.4%
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 31, 2026
Retailer 15$239 USD
Retailer 16$267 USD
Retailer 2$277 USD
Retailer 4$296 USD
Retailer 7$310 USD
Retailer 17$400 USD
Retailer 10$495 USD
Retailer 14$529 USD
Retailer 8$531 USD
Retailer 6$532 USD
Retailer 11$556 USD
Retailer 13$600 USD
Retailer 12$735 USD
Retailer 9$996 USD
Retailer 3$1,004 USD
Retailer 5$1,248 USD
Retailer 18$1,318 USD
Brilliant Earth$2,220 USD

33 data points across 18 retailers

20 retailers$239 USD to $2,220 USD

A
Cheapest Retailer
-
$239 USD
A
Retailer 2
-
$267 USD
View
Final sale: no returns
A
Retailer 3
-
$277 USD
View
A
Retailer 4
-
$296 USD
View
A
Retailer 5
-
$310 USD
View
A
Retailer 6
-
$400 USD
View
Retailer 7
-
$422 USD
HK$3,300 HKD
View
Price last confirmed 57 days ago
Retailer 8
-
$495 USD
View
Price last confirmed 10 days ago
A
Retailer 9
-
$529 USD
View
Retailer 10
-
$531 USD
€506 EUR
View
Price last confirmed 8 days ago
A
Retailer 11
-
$532 USD
ZAR 8,602 ZAR
View
A
Retailer 12
-
$556 USD
£438 GBP
View
A
Retailer 13
-
$600 USD
View
B+
Retailer 14
-
$735 USD
View
B+
Retailer 15
-
$996 USD
View
B+
Retailer 16
-
$1,004 USD
View
Retailer 17
-
$1,057 USD
View
Price last confirmed 26 days ago
B+
Retailer 18
-
$1,248 USD
£983 GBP
View
B+
Retailer 19
-
$1,318 USD
View
Most Expensive
B
Brilliant Earth
20880635A · Oct 30
$2,220 USD
View
19 more retailers have this diamond
Prices start from $239 USDSave up to $1,981 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
$239 USD