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Round|Lab Grown|IGI

1.00ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG811619405

Shape and cutting style on the report: Round brilliant

Certificate IGI LG811619405

Diamond specifications and retailer prices

From $361 USD
As of October 29, 2026
Save $1,879 USD (84%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,240 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1ct lab-grown round diamond

This 1ct 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 LG811619405 or 811619405. Listed at 21 retailers as of October 29, 2026, with prices from $361 to $2,240, a $1,879 spread on the same certified stone. Brilliant Earth lists it at $2,240. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811619405
Dimensions6.43 × 6.37 × 3.91 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
6.43 mm6.37 mm1.00 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811619405
Side View
Table 59.0%Crown 35.6°Girdle: MediumPavilion 40.3°Culet: NoneDepth 61.1%

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: $2,240 USD|Low: $346 USD|High: $2,240 USD|Avg: $891 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
November 1, 2026
Retailer 15$361 USD
Retailer 14$419 USD
Retailer 4$447 USD
Retailer 5$447 USD
Retailer 12$560 USD
Retailer 7$600 USD
Retailer 9$712 USD
Retailer 10$740 USD
Retailer 8$756 USD
Retailer 11$769 USD
Retailer 2$798 USD
Retailer 6$1,114 USD
Retailer 3$1,438 USD
Retailer 13$1,750 USD
Brilliant Earth$2,240 USD

36 data points across 15 retailers

21 retailers$361 USD to $2,240 USD

A
Cheapest Retailer
-
$361 USD
A
Retailer 2
-
$403 USD
View
Final sale: no returns
A
Retailer 3
-
$419 USD
View
A
Retailer 4
-
$447 USD
View
A
Retailer 5
-
$447 USD
View
B+
Retailer 6
-
$556 USD
View
B+
Retailer 7
-
$560 USD
View
B+
Retailer 8
-
$600 USD
View
B+
Retailer 9
-
$681 USD
View
B+
Retailer 10
-
$712 USD
£561 GBP
View
B+
Retailer 11
-
$740 USD
A$1,138 AUD
View
B+
Retailer 12
-
$756 USD
€720 EUR
View
B+
Retailer 13
-
$769 USD
ZAR 12,422 ZAR
View
B+
Retailer 14
-
$798 USD
£628 GBP
View
B
Retailer 15
-
$1,114 USD
View
B
Retailer 16
-
$1,187 USD
SGD 1,604 SGD
View
B
Retailer 17
-
$1,438 USD
View
B
Retailer 18
-
$1,479 USD
View
B
Retailer 19
-
$1,707 USD
View
B
Retailer 20
-
$1,750 USD
£1,378 GBP
View
Most Expensive
B
Brilliant Earth
21369799A · Oct 31
$2,240 USD
View
20 more retailers have this diamond
Prices start from $361 USDSave up to $1,879 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
1.00ct Round
$361 USD