Radiant|Lab Grown|IGI

4.25ct H VVS2 Radiant Lab Grown Diamond

EX • H/VVS2 • IGI LG723537885

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

Certificate IGI LG723537885

Diamond specifications and retailer prices

From £440 GBP
$590 USD
As of October 30, 2026
Save £2,112 GBP (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £2,552 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.25ct lab-grown radiant diamond

This 4.25ct lab-grown radiant sits in the three to five carat band, graded H colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG723537885 or 723537885. Listed at 20 retailers as of October 30, 2026, with prices from £440 to £2,552, a £2,112 spread on the same certified stone. Brilliant Earth lists it at £2,552. 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

4.25
Carat
H
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.5°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG723537885
Dimensions11.18 × 7.85 × 5.26 mm
L/W Ratio1.42
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.18 mm7.85 mm4.25 ctH / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG723537885
Side View
Table 64.0%Crown 45.5°Girdle: Slightly ThickPavilion 35.2°Culet: NoneDepth 67.0%

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: £2,552 GBP|Low: £400 GBP|High: £4,560 GBP|Avg: £1,178 GBP|-44.0%
Brilliant Earth
Retailer 2
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Retailer 20
November 1, 2026
Retailer 20£440 GBP
Retailer 11£458 GBP
Retailer 19£492 GBP
Retailer 12£507 GBP
Retailer 7£546 GBP
Retailer 14£642 GBP
Retailer 13£809 GBP
Retailer 18£839 GBP
Retailer 17£841 GBP
Retailer 16£981 GBP
Retailer 9£1,008 GBP
Retailer 3£1,094 GBP
Retailer 15£1,205 GBP
Retailer 2£1,436 GBP
Retailer 6£1,592 GBP
Retailer 4£1,735 GBP
Retailer 5£1,767 GBP
Retailer 8£2,126 GBP
Retailer 10£2,172 GBP
Brilliant Earth£2,552 GBP

39 data points across 20 retailers

20 retailers£440 GBP to £2,552 GBP

A
Cheapest Retailer
-
£440 GBP
$590 USD
A
Retailer 2
-
£458 GBP
$613 USD
View
A
Retailer 3
-
£492 GBP
$659 USD
View
Final sale: no returns
Retailer 4
-
£507 GBP
$679 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
£546 GBP
$731 USD
View
A
Retailer 6
-
£642 GBP
$860 USD
View
A
Retailer 7
-
£809 GBP
€1,032 EUR
View
B+
Retailer 8
-
£839 GBP
$1,124 USD
View
A
Retailer 9
-
£841 GBP
$1,127 USD
View
A
Retailer 10
-
£981 GBP
$1,314 USD
View
A
Retailer 11
-
£1,008 GBP
ZAR 21,825 ZAR
View
A
Retailer 12
-
£1,094 GBP
A$2,255 AUD
View
B+
Retailer 13
-
£1,205 GBP
$1,615 USD
View
B+
Retailer 14
-
£1,436 GBP
$1,924 USD
View
B+
Retailer 15
-
£1,592 GBP
View
B+
Retailer 16
-
£1,735 GBP
$2,324 USD
View
B+
Retailer 17
-
£1,767 GBP
$2,367 USD
View
B+
Retailer 18
-
£2,126 GBP
View
B+
Retailer 19
-
£2,172 GBP
$2,910 USD
View
Most Expensive
B
Brilliant Earth
15392117A · Oct 31
£2,552 GBP
$3,420 USD
View
19 more retailers have this diamond
Prices start from £440 GBPSave up to £2,112 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
4.25ct Radiant
£440 GBP