Radiant|Lab Grown|IGI

2.59ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG782601947

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

Certificate IGI LG782601947

Diamond specifications and retailer prices

From £914 GBP
$1,224 USD
As of October 30, 2026
Save £3,788 GBP (81%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £4,702 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 2.59ct lab-grown radiant diamond

This 2.59ct 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 LG782601947 or 782601947. Listed at 21 retailers as of October 30, 2026, with prices from £914 to £4,702, a £3,788 spread on the same certified stone. Brilliant Earth lists it at £4,702. 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

2.59
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.8°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG782601947
Dimensions9.34 × 6.90 × 4.67 mm
L/W Ratio1.35
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
9.34 mm6.90 mm2.59 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG782601947
Side View
Table 63.0%Crown 40.8°Girdle: Slightly ThickPavilion 35.3°Culet: NoneDepth 67.7%

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: £4,702 GBP|Low: £774 GBP|High: £6,724 GBP|Avg: £2,494 GBP|-30.1%
Brilliant Earth
Retailer 2
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Retailer 11
Retailer 12
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Retailer 17
October 30, 2026
Retailer 6£914 GBP
Retailer 11£970 GBP
Retailer 15£1,054 GBP
Retailer 2£1,254 GBP
Retailer 17£1,390 GBP
Retailer 16£1,533 GBP
Retailer 3£1,819 GBP
Retailer 4£2,058 GBP
Retailer 10£2,245 GBP
Retailer 5£2,400 GBP
Retailer 13£2,666 GBP
Retailer 12£2,955 GBP
Retailer 7£3,034 GBP
Retailer 8£3,234 GBP
Retailer 14£3,491 GBP
Retailer 9£4,183 GBP
Brilliant Earth£4,702 GBP

30 data points across 17 retailers

21 retailers£914 GBP to £4,702 GBP

A
Cheapest Retailer
-
£914 GBP
$1,224 USD
Final sale: no returns
A
Retailer 2
-
£970 GBP
$1,300 USD
View
A
Retailer 3
-
£1,054 GBP
$1,412 USD
View
Retailer 4
-
£1,073 GBP
$1,438 USD
View
Price last confirmed 28 days ago
Retailer 5
-
£1,217 GBP
$1,630 USD
View
Price last confirmed 33 days ago
A
Retailer 6
-
£1,254 GBP
View
Retailer 7
-
£1,296 GBP
$1,737 USD
View
Price last confirmed 27 days ago
A
Retailer 8
-
£1,390 GBP
$1,862 USD
View
Retailer 9
-
£1,533 GBP
€1,956 EUR
View
Price last confirmed 7 days ago
A
Retailer 10
-
£1,819 GBP
$2,437 USD
View
A
Retailer 11
-
£2,058 GBP
$2,757 USD
View
B+
Retailer 12
-
£2,245 GBP
ZAR 48,604 ZAR
View
B+
Retailer 13
-
£2,400 GBP
View
Retailer 14
-
£2,431 GBP
$3,257 USD
View
Price last confirmed 30 days ago
B+
Retailer 15
-
£2,666 GBP
$3,572 USD
View
B+
Retailer 16
-
£2,955 GBP
View
B+
Retailer 17
-
£3,034 GBP
$4,066 USD
View
B+
Retailer 18
-
£3,234 GBP
SGD 5,855 SGD
View
B+
Retailer 19
-
£3,491 GBP
$4,678 USD
View
Retailer 20
-
£4,183 GBP
$5,605 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
21417367A · Oct 30
£4,702 GBP
$6,300 USD
View
20 more retailers have this diamond
Prices start from £914 GBPSave up to £3,788 GBP

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
2.59ct Radiant
£914 GBP