CaratHunter
Plans
Radiant|Lab Grown|IGI

1.09ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG799676981

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

Certificate IGI LG799676981

Diamond specifications and retailer prices

From €280 EUR
$314 USD
As of November 2, 2026
Save €2,252 EUR (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €2,532 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG799676981 or 799676981. Listed at 21 retailers as of October 31, 2026, with prices from €280 to €2,532, a €2,252 spread on the same certified stone. Brilliant Earth lists it at €2,532. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.6°
Pavilion angle33.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799676981
Dimensions7.60 × 5.02 × 3.37 mm
L/W Ratio1.51
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
7.60 mm5.02 mm1.09 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799676981
Side View
Table 64.0%Crown 42.6°Girdle: MED-STKPavilion 33.8°Culet: NoneDepth 67.1%

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: Nov 2
Current: €2,532 EUR|Low: €275 EUR|High: €2,532 EUR|Avg: €799 EUR
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
Retailer 19
Retailer 20
Retailer 21
November 2, 2026
Retailer 4€280 EUR
Retailer 8€313 EUR
Retailer 19€325 EUR
Retailer 3€348 EUR
Retailer 7€348 EUR
Retailer 18€388 EUR
Retailer 16€486 EUR
Retailer 6€563 EUR
Retailer 15€564 EUR
Retailer 9€564 EUR
Retailer 21€594 EUR
Retailer 13€599 EUR
Retailer 2€619 EUR
Retailer 12€929 EUR
Retailer 20€1,018 EUR
Retailer 5€1,116 EUR
Retailer 14€1,157 EUR
Retailer 10€1,345 EUR
Retailer 11€1,389 EUR
Retailer 17€1,394 EUR
Brilliant Earth€2,532 EUR

41 data points across 21 retailers

21 retailers€280 EUR to €2,532 EUR

A
Cheapest Retailer
-
€280 EUR
$314 USD
A
Retailer 2
-
€313 EUR
$351 USD
View
Final sale: no returns
A
Retailer 3
-
€325 EUR
$364 USD
View
Retailer 4
-
€348 EUR
$390 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
€348 EUR
$390 USD
View
A
Retailer 6
-
€388 EUR
HK$3,400 HKD
View
A
Retailer 7
-
€486 EUR
$545 USD
View
A
Retailer 8
-
€563 EUR
$631 USD
View
A
Retailer 9
-
€564 EUR
View
A
Retailer 10
-
€564 EUR
$633 USD
View
B+
Retailer 11
-
€594 EUR
$666 USD
View
B+
Retailer 12
-
€599 EUR
ZAR 10,852 ZAR
View
B+
Retailer 13
-
€619 EUR
£547 GBP
View
B+
Retailer 14
-
€929 EUR
SGD 1,408 SGD
View
B+
Retailer 15
-
€1,018 EUR
$1,142 USD
View
B+
Retailer 16
-
€1,116 EUR
$1,252 USD
View
B
Retailer 17
-
€1,157 EUR
$1,298 USD
View
B
Retailer 18
-
€1,345 EUR
£1,188 GBP
View
B
Retailer 19
-
€1,389 EUR
$1,558 USD
View
B+
Retailer 20
-
€1,394 EUR
£1,231 GBP
View
Most Expensive
B
Brilliant Earth
20584065A · Oct 31
€2,532 EUR
$2,840 USD
View
20 more retailers have this diamond
Prices start from €280 EURSave up to €2,252 EUR

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
€280 EUR