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Radiant|Lab Grown|IGI

2.50ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG836618001

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

Certificate IGI LG836618001

Diamond specifications and retailer prices

From $1,143 USD
£900 GBP
As of October 30, 2026
Save $4,937 USD (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $6,080 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 2.5ct lab-grown radiant diamond

This 2.5ct lab-grown radiant sits in the two to three carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836618001 or 836618001. Listed at 20 retailers as of October 30, 2026, with prices from $1,143 to $6,080, a $4,937 spread on the same certified stone. Brilliant Earth lists it at $6,080. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.50
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.6°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836618001
Dimensions9.18 × 6.73 × 4.63 mm
L/W Ratio1.36
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
9.18 mm6.73 mm2.50 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836618001
Side View
Table 64.0%Crown 44.6°Girdle: MED-STKPavilion 35.6°Culet: NoneDepth 68.8%

Caratlytics Score

How it works →
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: $6,080 USD|Low: $1,057 USD|High: $9,025 USD|Avg: $3,588 USD|-30.3%
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
October 30, 2026
Retailer 2$1,143 USD
Retailer 16$1,182 USD
Retailer 3$1,300 USD
Retailer 11$1,738 USD
Retailer 17$1,802 USD
Retailer 15$1,985 USD
Retailer 18$2,428 USD
Retailer 4$2,582 USD
Retailer 13$2,880 USD
Retailer 5$3,109 USD
Retailer 7$3,448 USD
Retailer 12$3,842 USD
Retailer 6$3,924 USD
Retailer 9$4,188 USD
Retailer 14$4,516 USD
Retailer 8$5,188 USD
Retailer 10$5,410 USD
Brilliant Earth$6,080 USD

27 data points across 18 retailers

20 retailers$1,143 USD to $6,080 USD

A
Cheapest Retailer
-
$1,143 USD
£900 GBP
A
Retailer 2
-
$1,182 USD
View
Final sale: no returns
A
Retailer 3
-
$1,300 USD
View
Retailer 4
-
$1,389 USD
View
Price last confirmed 28 days ago
Retailer 5
-
$1,678 USD
View
Price last confirmed 27 days ago
A
Retailer 6
-
$1,738 USD
£1,368 GBP
View
A
Retailer 7
-
$1,802 USD
View
Retailer 8
-
$1,985 USD
€1,890 EUR
View
Price last confirmed 7 days ago
A
Retailer 9
-
$2,428 USD
View
A
Retailer 10
-
$2,582 USD
View
B+
Retailer 11
-
$2,880 USD
ZAR 46,524 ZAR
View
B+
Retailer 12
-
$3,109 USD
£2,448 GBP
View
B+
Retailer 13
-
$3,448 USD
View
B+
Retailer 14
-
$3,842 USD
£3,025 GBP
View
B+
Retailer 15
-
$3,924 USD
View
B+
Retailer 16
-
$4,188 USD
SGD 5,659 SGD
View
B+
Retailer 17
-
$4,516 USD
View
B
Retailer 18
-
$5,188 USD
View
Retailer 19
-
$5,410 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
21603031A · Oct 30
$6,080 USD
View
19 more retailers have this diamond
Prices start from $1,143 USDSave up to $4,937 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
2.50ct Radiant
$1,143 USD