Radiant|Lab Grown|IGI

3.10ct E VS1 Radiant Lab Grown Diamond

ID • E/VS1 • IGI LG841636145

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

Certificate IGI LG841636145

Diamond specifications and retailer prices

From £359 GBP
$477 USD
As of October 23, 2026
Save £1,307 GBP (78%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £2,954 GBP at Helzberg Diamonds · As of October 8, 2026
View at Helzberg Diamonds

About this 3.1ct lab-grown radiant diamond

This 3.1ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG841636145 or 841636145. Listed at 23 retailers as of October 23, 2026, with a 364% 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

3.10
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.1°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841636145
Dimensions7.11 × 10.70 × 4.89 mm
L/W Ratio1.50
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.11 mm10.70 mm3.10 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841636145
Side View
Table 62.0%Crown 39.1°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 68.8%

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 23
Current: £2,954 GBP|Low: £359 GBP|High: £375,406 GBP|Avg: £42,169 GBP
Helzberg Diamonds
Retailer 2
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Retailer 23
October 29, 2026
Retailer 5£359 GBP
Retailer 7£401 GBP
Retailer 22£402 GBP
Retailer 18£446 GBP
Retailer 8£491 GBP
Retailer 13£511 GBP
Retailer 19£549 GBP
Retailer 9£604 GBP
Retailer 6£654 GBP
Retailer 17£735 GBP
Retailer 21£803 GBP
Retailer 3£958 GBP
Retailer 12£1,197 GBP
Retailer 14£1,427 GBP
Retailer 20£1,431 GBP
Retailer 23£1,453 GBP
Retailer 4£1,471 GBP
Retailer 11£1,564 GBP
Retailer 2£1,645 GBP
Retailer 10£1,666 GBP
Helzberg Diamonds£2,954 GBP
Retailer 16£146,865 GBP
Retailer 15£232,348 GBP

10 data points across 23 retailers

23 retailers£359 GBP to £1,666 GBP

A
Cheapest Retailer
-
£359 GBP
$477 USD
A
Retailer 2
-
£401 GBP
$533 USD
View
Final sale: no returns
A
Retailer 3
-
£402 GBP
$534 USD
View
A
Retailer 4
-
£446 GBP
$592 USD
View
A
Retailer 5
-
£491 GBP
HK$5,100 HKD
View
A
Retailer 6
-
£511 GBP
View
A
Retailer 7
-
£549 GBP
$730 USD
View
B+
Retailer 8
-
£604 GBP
$802 USD
View
A
Retailer 9
-
£654 GBP
€828 EUR
View
A
Retailer 10
-
£735 GBP
View
A
Retailer 11
-
£803 GBP
$1,067 USD
View
A
Retailer 12
-
£958 GBP
ZAR 20,569 ZAR
View
B+
Retailer 13
-
£1,197 GBP
$1,591 USD
View
B+
Retailer 14
-
£1,427 GBP
SGD 2,562 SGD
View
B+
Retailer 15
-
£1,431 GBP
$1,902 USD
View
B+
Retailer 16
-
£1,453 GBP
$1,931 USD
View
B+
Retailer 17
-
£1,471 GBP
$1,954 USD
View
B+
Retailer 18
-
£1,564 GBP
$2,078 USD
View
B+
Retailer 19
-
£1,645 GBP
View
B+
Retailer 20
-
£1,666 GBP
$2,214 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOKHMJMHKL · Oct 8
£2,954 GBP
$3,925 USD
View
Price last confirmed 21 days ago
20 more retailers have this diamond
Prices start from £359 GBPSave up to £1,307 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
3.10ct Radiant
£359 GBP