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Round|Lab Grown|IGI

1.09ct F FL Round Lab Grown Diamond

ID • F/FL • IGI LG818668144

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818668144

Diamond specifications and retailer prices

From $455 USD
As of November 1, 2026
Save $1,545 USD (77%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,000 USD at Do Amore Diamonds · As of November 3, 2026
View at Do Amore Diamonds

About this 1.09ct lab-grown round diamond

This 1.09ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818668144 or 818668144. Listed at 8 retailers as of November 1, 2026, with prices from $455 to $2,000, a $1,545 spread on the same certified stone. Do Amore Diamonds lists it at $2,000. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
F
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818668144
Dimensions6.61 × 6.55 × 4.07 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.61 mm6.55 mm1.09 ctF / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818668144
Side View
Table 58.0%Crown 34.6°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.8%

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: Nov 1
Current: $2,000 USD|Low: $260 USD|High: $2,320 USD|Avg: $958 USD|-13.8%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 3, 2026
Retailer 5$260 USD
Retailer 8$455 USD
Retailer 11$485 USD
Retailer 12$566 USD
Retailer 4$665 USD
Retailer 13$682 USD
Retailer 2$835 USD
Retailer 9$887 USD
Retailer 10$1,015 USD
Retailer 6$1,146 USD
Retailer 7$1,320 USD
Retailer 3$1,337 USD
Do Amore Diamonds$2,000 USD

18 data points across 13 retailers

8 retailers$455 USD to $2,000 USD

A
Cheapest Retailer
-
$455 USD
Retailer 2
-
$748 USD
View
Price last confirmed 24 days ago
B
Retailer 3
-
$835 USD
View
B+
Retailer 4
-
$887 USD
View
B
Retailer 5
-
$1,015 USD
View
B
Retailer 6
-
$1,146 USD
£902 GBP
View
B
Retailer 7
-
$1,320 USD
View
Most Expensive
B
Do Amore Diamonds
27-101B559CF · Nov 3
$2,000 USD
View
7 more retailers have this diamond
Prices start from $455 USDSave up to $1,545 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
1.09ct Round
$455 USD