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Radiant|Lab Grown|IGI

2.53ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG717596066

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

Certificate IGI LG717596066

Diamond specifications and retailer prices

From £639 GBP
$858 USD
As of November 2, 2026
Save £2,156 GBP (77%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £4,344 GBP at Brilliant Earth · As of October 21, 2026
View at Brilliant Earth

About this 2.53ct lab-grown radiant diamond

This 2.53ct lab-grown radiant sits in the two to three carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG717596066 or 717596066. Listed at 24 retailers as of October 29, 2026, with a 337% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

2.53
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.9°
Pavilion angle31.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG717596066
Dimensions10.09 × 6.51 × 4.39 mm
L/W Ratio1.55
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.09 mm6.51 mm2.53 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG717596066
Side View
Table 65.0%Crown 41.9°Girdle: Slightly ThickPavilion 31.7°Culet: NoneDepth 67.4%

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: Nov 2
Current: £4,344 GBP|Low: £614 GBP|High: £4,486 GBP|Avg: £1,784 GBP|-3.2%
Brilliant Earth
Retailer 2
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Retailer 22
November 2, 2026
Retailer 5£639 GBP
Retailer 6£741 GBP
Retailer 3£767 GBP
Retailer 15£858 GBP
Retailer 4£894 GBP
Retailer 7£944 GBP
Retailer 21£1,062 GBP
Retailer 13£1,140 GBP
Retailer 16£1,179 GBP
Retailer 2£1,575 GBP
Retailer 17£1,761 GBP
Retailer 18£1,914 GBP
Retailer 9£1,936 GBP
Retailer 19£2,044 GBP
Retailer 11£2,086 GBP
Retailer 22£2,198 GBP
Retailer 8£2,455 GBP
Retailer 10£2,492 GBP
Retailer 12£2,573 GBP
Retailer 20£2,796 GBP
Retailer 14£3,238 GBP
Brilliant Earth£4,344 GBP

38 data points across 22 retailers

24 retailers£639 GBP to £2,796 GBP

A
Cheapest Retailer
-
£639 GBP
$858 USD
A
Retailer 2
-
£741 GBP
$995 USD
View
Retailer 3
-
£741 GBP
$995 USD
View
Price last confirmed 16 days ago
A
Retailer 4
-
£767 GBP
$1,029 USD
View
Final sale: no returns
A
Retailer 5
-
£858 GBP
HK$9,000 HKD
View
A
Retailer 6
-
£894 GBP
$1,200 USD
View
A
Retailer 7
-
£944 GBP
$1,267 USD
View
A
Retailer 8
-
£1,062 GBP
$1,425 USD
View
A
Retailer 9
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£1,140 GBP
View
A
Retailer 10
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£1,179 GBP
€1,507 EUR
View
A
Retailer 11
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£1,575 GBP
$2,114 USD
View
A
Retailer 12
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£1,761 GBP
A$3,636 AUD
View
A
Retailer 13
-
£1,914 GBP
ZAR 41,489 ZAR
View
B+
Retailer 14
-
£1,936 GBP
$2,598 USD
View
B+
Retailer 15
-
£2,044 GBP
View
B+
Retailer 16
-
£2,086 GBP
$2,799 USD
View
B+
Retailer 17
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£2,198 GBP
$2,949 USD
View
B+
Retailer 18
-
£2,455 GBP
$3,294 USD
View
B+
Retailer 19
-
£2,492 GBP
SGD 4,519 SGD
View
B+
Retailer 20
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£2,573 GBP
$3,452 USD
View
B+
Retailer 21
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£2,796 GBP
View
Retailer 22
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£3,238 GBP
$4,345 USD
View
Price last confirmed 35 days ago
Retailer 23
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£3,263 GBP
$4,378 USD
View
Price last confirmed 74 days ago
Most Expensive
Brilliant Earth
15226516A · Oct 21
£4,344 GBP
$5,830 USD
View
Price last confirmed 12 days ago
23 more retailers have this diamond
Prices start from £639 GBPSave up to £2,156 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
2.53ct Radiant
£639 GBP