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Radiant|Lab Grown|IGI

1.09ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG800676870

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

Certificate IGI LG800676870

Diamond specifications and retailer prices

From $362 USD
As of October 30, 2026
Save $1,948 USD (84%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,310 USD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 1.09ct lab-grown radiant diamond

This 1.09ct 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 LG800676870 or 800676870. Listed at 14 retailers as of October 30, 2026, with prices from $362 to $2,310, a $1,948 spread on the same certified stone. Do Amore Diamonds lists it at $2,310. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.3°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800676870
Dimensions7.43 × 5.17 × 3.43 mm
L/W Ratio1.44
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
7.43 mm5.17 mm1.09 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800676870
Side View
Table 64.0%Crown 42.3°Girdle: Slightly ThickPavilion 34.9°Culet: NoneDepth 66.3%

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: $2,310 USD|Low: $362 USD|High: $2,890 USD|Avg: $1,196 USD|-9.4%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 3$362 USD
Retailer 6$479 USD
Retailer 11$517 USD
Retailer 10$520 USD
Retailer 8$537 USD
Retailer 2$611 USD
Retailer 7$991 USD
Retailer 5$1,435 USD
Retailer 4$1,980 USD
Retailer 9$2,290 USD
Do Amore Diamonds$2,310 USD

25 data points across 11 retailers

14 retailers$362 USD to $2,310 USD

Retailer 1
-
$274 USD
Price last confirmed 21 days ago
Retailer 2
-
$317 USD
View
Price last confirmed 18 days ago
A
Retailer 3
-
$362 USD
View
Final sale: no returns
A
Retailer 4
-
$479 USD
View
A
Retailer 5
-
$517 USD
View
A
Retailer 6
-
$520 USD
View
A
Retailer 7
-
$537 USD
View
A
Retailer 8
-
$611 USD
€582 EUR
View
B+
Retailer 9
-
$991 USD
View
Retailer 10
-
$1,204 USD
View
Price last confirmed 22 days ago
B+
Retailer 11
-
$1,435 USD
£1,130 GBP
View
B
Retailer 12
-
$1,980 USD
View
Retailer 13
-
$2,290 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Do Amore Diamonds
27-7ED66040E · Nov 1
$2,310 USD
View
13 more retailers have this diamond
Prices start from $362 USDSave up to $1,948 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 Radiant
$362 USD