Round|Lab Grown|IGI

1.05ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG788621508

Shape and cutting style on the report: Round brilliant

Certificate IGI LG788621508

Diamond specifications and retailer prices

From $377 USD
As of October 29, 2026
Save $1,973 USD (84%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,350 USD at Brilliant Earth · As of October 29, 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG788621508 or 788621508. Listed at 22 retailers as of October 29, 2026, with prices from $377 to $2,350, a $1,973 spread on the same certified stone. Brilliant Earth lists it at $2,350. 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 angle33.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788621508
Dimensions6.62 × 6.58 × 3.96 mm
L/W Ratio1.01
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
6.62 mm6.58 mm1.05 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788621508
Side View
Table 59.0%Crown 33.5°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.2%

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: $2,350 USD|Low: $362 USD|High: $2,350 USD|Avg: $973 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
October 30, 2026
Retailer 18$377 USD
Retailer 17$423 USD
Retailer 5$468 USD
Retailer 6$468 USD
Retailer 16$605 USD
Retailer 8$628 USD
Retailer 10$695 USD
Retailer 2$745 USD
Retailer 14$766 USD
Retailer 13$791 USD
Retailer 15$804 USD
Retailer 11$844 USD
Retailer 3$1,060 USD
Retailer 7$1,170 USD
Retailer 9$1,240 USD
Retailer 4$1,505 USD
Retailer 12$1,839 USD
Brilliant Earth$2,350 USD

41 data points across 18 retailers

22 retailers$377 USD to $2,350 USD

A
Cheapest Retailer
-
$377 USD
A
Retailer 2
-
$421 USD
View
Final sale: no returns
A
Retailer 3
-
$423 USD
View
A
Retailer 4
-
$468 USD
View
A
Retailer 5
-
$468 USD
View
B+
Retailer 6
-
$603 USD
View
B+
Retailer 7
-
$605 USD
View
B+
Retailer 8
-
$628 USD
View
B+
Retailer 9
-
$695 USD
View
B+
Retailer 10
-
$745 USD
£586 GBP
View
B+
Retailer 11
-
$766 USD
A$1,178 AUD
View
B+
Retailer 12
-
$791 USD
€753 EUR
View
B+
Retailer 13
-
$804 USD
ZAR 12,995 ZAR
View
B+
Retailer 14
-
$844 USD
£665 GBP
View
Retailer 15
-
$1,060 USD
View
Price last confirmed 12 days ago
B
Retailer 16
-
$1,170 USD
View
B
Retailer 17
-
$1,240 USD
SGD 1,676 SGD
View
B
Retailer 18
-
$1,505 USD
View
B
Retailer 19
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$1,543 USD
View
B
Retailer 20
-
$1,760 USD
View
B
Retailer 21
-
$1,839 USD
£1,448 GBP
View
Most Expensive
B
Brilliant Earth
20045796A · Oct 29
$2,350 USD
View
21 more retailers have this diamond
Prices start from $377 USDSave up to $1,973 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
$377 USD