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Round|Lab Grown|IGI

1.09ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG788624676

Shape and cutting style on the report: Round brilliant

Certificate IGI LG788624676

Diamond specifications and retailer prices

From $834 USD
As of October 29, 2026
Save $1,887 USD (69%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,942 USD at With Clarity · As of October 30, 2026
View at With Clarity

About this 1.09ct lab-grown round diamond

This 1.09ct 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 LG788624676 or 788624676. Listed at 21 retailers as of October 27, 2026, with a 226% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788624676
Dimensions6.60 × 6.62 × 4.06 mm
L/W Ratio1.00
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
6.60 mm6.62 mm1.09 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788624676
Side View
Table 58.0%Crown 34.4°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,674 USD|Low: $801 USD|High: $3,670 USD|Avg: $1,720 USD|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 11$834 USD
Retailer 2$968 USD
Retailer 3$968 USD
Retailer 9$1,145 USD
Retailer 4$1,481 USD
Retailer 6$1,517 USD
Retailer 1$1,674 USD
Retailer 7$1,779 USD
Retailer 10$2,028 USD
Retailer 8$2,470 USD
Retailer 5$3,646 USD

36 data points across 11 retailers

21 retailers$834 USD to $2,721 USD

B+
Cheapest Retailer
-
$834 USD
B+
Retailer 2
-
$908 USD
View
B+
Retailer 3
-
$934 USD
View
Final sale: no returns
Retailer 4
-
$968 USD
View
Price last confirmed 13 days ago
B+
Retailer 5
-
$968 USD
View
B+
Retailer 6
-
$1,126 USD
HK$8,800 HKD
View
B+
Retailer 7
-
$1,145 USD
View
B
Retailer 8
-
$1,183 USD
View
B
Retailer 9
-
$1,385 USD
View
B
Retailer 10
-
$1,481 USD
£1,166 GBP
View
B
Retailer 11
-
$1,517 USD
€1,445 EUR
View
B
Retailer 12
-
$1,674 USD
£1,318 GBP
View
B
Retailer 13
-
$1,779 USD
ZAR 28,734 ZAR
View
B
Retailer 14
-
$2,028 USD
View
B
Retailer 15
-
$2,470 USD
View
B
Retailer 16
-
$2,709 USD
SGD 3,661 SGD
View
B
Retailer 17
-
$2,721 USD
View
Retailer 18
-
$3,217 USD
View
Price under review
Retailer 19
-
$3,352 USD
View
Price under review
Retailer 20
-
$3,646 USD
£2,871 GBP
View
Price under review
Most Expensive
With Clarity
788624676 · Oct 30
$3,942 USD
View
Price under review
20 more retailers have this diamond
Prices start from $834 USDSave up to $1,887 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.

B+
1.09ct Round
$834 USD