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Radiant|Lab Grown|IGI

3.11ct H VS1 Radiant Lab Grown Diamond

ID • H/VS1 • IGI LG600327453

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

Certificate IGI LG600327453

Diamond specifications and retailer prices

From £497 GBP
HK$5,200 HKD
As of October 24, 2026
Save £1,429 GBP (74%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £1,926 GBP at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 3.11ct lab-grown radiant diamond

This 3.11ct lab-grown radiant sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG600327453 or 600327453. Listed at 23 retailers as of October 24, 2026, with prices from £497 to £1,926, a £1,429 spread on the same certified stone. Brilliant Earth lists it at £1,926. 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

3.11
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.9°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG600327453
Dimensions10.58 × 7.11 × 4.76 mm
L/W Ratio1.49
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
10.58 mm7.11 mm3.11 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG600327453
Side View
Table 66.0%Crown 44.9°Girdle: MediumPavilion 35°Culet: NoneDepth 66.9%

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 24
Current: £1,926 GBP|Low: £209 GBP|High: £1,948 GBP|Avg: £888 GBP|-1.1%
Brilliant Earth
Retailer 2
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Retailer 20
October 25, 2026
Retailer 4£277 GBP
Retailer 6£309 GBP
Retailer 3£343 GBP
Retailer 18£455 GBP
Retailer 15£461 GBP
Retailer 14£497 GBP
Retailer 13£585 GBP
Retailer 12£705 GBP
Retailer 8£713 GBP
Retailer 10£719 GBP
Retailer 19£741 GBP
Retailer 17£1,006 GBP
Retailer 20£1,103 GBP
Retailer 5£1,132 GBP
Retailer 2£1,177 GBP
Retailer 11£1,263 GBP
Retailer 16£1,297 GBP
Retailer 9£1,314 GBP
Retailer 7£1,396 GBP
Brilliant Earth£1,926 GBP

32 data points across 20 retailers

23 retailers£497 GBP to £1,926 GBP

Retailer 1
-
£277 GBP
$371 USD
Price last confirmed 9 days ago
Retailer 2
-
£313 GBP
$419 USD
View
Price last confirmed 10 days ago
Retailer 3
-
£334 GBP
$448 USD
View
Price last confirmed 14 days ago
Retailer 4
-
£343 GBP
$460 USD
View
Price last confirmed 8 days ago
Retailer 5
-
£455 GBP
$610 USD
View
Price last confirmed 6 days ago
Retailer 6
-
£461 GBP
$618 USD
View
Price last confirmed 7 days ago
A
Retailer 7
-
£497 GBP
HK$5,200 HKD
View
Retailer 8
-
£585 GBP
€747 EUR
View
Price last confirmed 7 days ago
Retailer 9
-
£713 GBP
A$1,469 AUD
View
Price last confirmed 11 days ago
Retailer 10
-
£719 GBP
ZAR 15,567 ZAR
View
Price last confirmed 11 days ago
A
Retailer 11
-
£741 GBP
$993 USD
View
Retailer 12
-
£784 GBP
$1,051 USD
View
Price last confirmed 11 days ago
Retailer 13
-
£1,006 GBP
$1,348 USD
View
Price last confirmed 7 days ago
B+
Retailer 14
-
£1,100 GBP
View
Retailer 15
-
£1,103 GBP
$1,478 USD
View
Price last confirmed 8 days ago
Retailer 16
-
£1,132 GBP
$1,517 USD
View
Price last confirmed 9 days ago
B+
Retailer 17
-
£1,177 GBP
$1,577 USD
View
Retailer 18
-
£1,263 GBP
View
Price last confirmed 24 days ago
Retailer 19
-
£1,297 GBP
$1,738 USD
View
Price last confirmed 7 days ago
Retailer 20
-
£1,314 GBP
View
Price last confirmed 9 days ago
Retailer 21
-
£1,396 GBP
$1,870 USD
View
Price last confirmed 9 days ago
B+
Retailer 22
-
£1,505 GBP
CA$2,801 CAD
View
Most Expensive
B
Brilliant Earth
16058138A · Oct 26
£1,926 GBP
$2,580 USD
View
22 more retailers have this diamond
Prices start from £497 GBPSave up to £1,429 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
3.11ct Radiant
£497 GBP