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Radiant|Lab Grown|IGI

2.59ct F IF Radiant Lab Grown Diamond

ID • F/IF • IGI LG670485440

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

Certificate IGI LG670485440

Diamond specifications and retailer prices

From £944 GBP
$1,265 USD
As of October 30, 2026
Save £5,549 GBP (85%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £6,493 GBP at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 2.59ct lab-grown radiant diamond

This 2.59ct lab-grown radiant sits in the two to three carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG670485440 or 670485440. Listed at 23 retailers as of October 30, 2026, with prices from £944 to £6,493, a £5,549 spread on the same certified stone. Do Amore Diamonds lists it at £6,493. 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
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.3°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG670485440
Dimensions9.45 × 6.86 × 4.58 mm
L/W Ratio1.38
Culet sizePointed
Top View
9.45 mm6.86 mm2.59 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG670485440
Side View
Table 66.0%Crown 48.3°Girdle: MediumPavilion 35.1°Culet: NoneDepth 66.8%

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: Oct 30
Current: £6,493 GBP|Low: £906 GBP|High: £6,493 GBP|Avg: £2,524 GBP
Do Amore Diamonds
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
November 1, 2026
Retailer 5£944 GBP
Retailer 4£1,027 GBP
Retailer 17£1,095 GBP
Retailer 3£1,153 GBP
Retailer 2£1,366 GBP
Retailer 9£1,540 GBP
Retailer 11£1,705 GBP
Retailer 7£2,041 GBP
Retailer 6£2,266 GBP
Retailer 13£2,711 GBP
Retailer 10£2,869 GBP
Retailer 14£3,119 GBP
Retailer 16£3,138 GBP
Retailer 8£3,142 GBP
Retailer 15£3,470 GBP
Retailer 12£5,433 GBP
Do Amore Diamonds£6,493 GBP

36 data points across 17 retailers

23 retailers£944 GBP to £6,493 GBP

A
Cheapest Retailer
-
£944 GBP
$1,265 USD
A
Retailer 2
-
£1,027 GBP
$1,376 USD
View
A
Retailer 3
-
£1,095 GBP
$1,467 USD
View
Retailer 4
-
£1,095 GBP
$1,467 USD
View
Price last confirmed 20 days ago
A
Retailer 5
-
£1,150 GBP
$1,541 USD
View
Final sale: no returns
A
Retailer 6
-
£1,153 GBP
$1,545 USD
View
A
Retailer 7
-
£1,187 GBP
$1,591 USD
View
A
Retailer 8
-
£1,315 GBP
$1,762 USD
View
A
Retailer 9
-
£1,366 GBP
View
A
Retailer 10
-
£1,540 GBP
$2,063 USD
View
A
Retailer 11
-
£1,705 GBP
View
B+
Retailer 12
-
£2,041 GBP
$2,735 USD
View
B+
Retailer 13
-
£2,266 GBP
$3,036 USD
View
B+
Retailer 14
-
£2,711 GBP
A$5,588 AUD
View
B+
Retailer 15
-
£2,869 GBP
A$5,915 AUD
View
B+
Retailer 16
-
£2,923 GBP
View
B+
Retailer 17
-
£3,119 GBP
ZAR 67,505 ZAR
View
Retailer 18
-
£3,138 GBP
$4,205 USD
View
Price last confirmed 11 days ago
B+
Retailer 19
-
£3,142 GBP
$4,210 USD
View
B+
Retailer 20
-
£3,470 GBP
View
B
Retailer 21
-
£4,285 GBP
$5,741 USD
View
B
Retailer 22
-
£5,433 GBP
$7,280 USD
View
Most Expensive
B
Do Amore Diamonds
27-FAA60C48D · Nov 1
£6,493 GBP
$8,700 USD
View
22 more retailers have this diamond
Prices start from £944 GBPSave up to £5,549 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
£944 GBP