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Radiant|Lab Grown|IGI

2.57ct E FL Radiant Lab Grown Diamond

VG • E/FL • IGI LG759504178

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

Certificate IGI LG759504178

Diamond specifications and retailer prices

From £1,172 GBP
$1,570 USD
As of October 30, 2026
Save £4,657 GBP (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £5,829 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 2.57ct lab-grown radiant diamond

This 2.57ct lab-grown radiant sits in the two to three carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG759504178 or 759504178. Listed at 12 retailers as of October 30, 2026, with prices from £1,172 to £5,829, a £4,657 spread on the same certified stone. Do Amore Diamonds lists it at £5,829. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.57
Carat
E
Colour
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.6°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG759504178
Dimensions9.18 × 6.75 × 4.67 mm
L/W Ratio1.36
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
9.18 mm6.75 mm2.57 ctE / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG759504178
Side View
Table 59.0%Crown 41.6°Girdle: Slightly ThickPavilion 37.2°Culet: NoneDepth 69.2%

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: £5,829 GBP|Low: £837 GBP|High: £6,911 GBP|Avg: £3,377 GBP|-15.7%
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
October 30, 2026
Retailer 11£1,172 GBP
Retailer 7£1,222 GBP
Retailer 5£1,280 GBP
Retailer 10£1,775 GBP
Retailer 8£2,491 GBP
Retailer 12£2,501 GBP
Retailer 6£2,854 GBP
Retailer 3£3,676 GBP
Retailer 9£4,120 GBP
Retailer 4£4,459 GBP
Retailer 2£4,627 GBP
Do Amore Diamonds£5,829 GBP

25 data points across 12 retailers

12 retailers£1,172 GBP to £5,829 GBP

Retailer 1
-
£937 GBP
$1,256 USD
Price last confirmed 28 days ago
Retailer 2
-
£1,062 GBP
$1,423 USD
View
Price last confirmed 33 days ago
A
Retailer 3
-
£1,172 GBP
$1,570 USD
View
Final sale: no returns
A
Retailer 4
-
£1,222 GBP
$1,637 USD
View
A
Retailer 5
-
£1,280 GBP
$1,715 USD
View
A
Retailer 6
-
£1,775 GBP
$2,378 USD
View
Retailer 7
-
£2,343 GBP
$3,139 USD
View
Price last confirmed 30 days ago
B+
Retailer 8
-
£2,491 GBP
$3,337 USD
View
B+
Retailer 9
-
£2,854 GBP
View
Retailer 10
-
£4,120 GBP
$5,520 USD
View
Price last confirmed 9 days ago
B
Retailer 11
-
£4,627 GBP
$6,200 USD
View
Most Expensive
B
Do Amore Diamonds
27-3996A3360 · Oct 30
£5,829 GBP
$7,810 USD
View
11 more retailers have this diamond
Prices start from £1,172 GBPSave up to £4,657 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
2.57ct Radiant
£1,172 GBP