CaratHunter
Plans
Round|Lab Grown|IGI

1.35ct J VS1 Round Lab Grown Diamond

EX • J/VS1 • IGI LG843641799

Shape and cutting style on the report: Round brilliant

Certificate IGI LG843641799

Diamond specifications and retailer prices

From £219 GBP
As of October 30, 2026
Save £337 GBP (61%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,144 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 1.35ct lab-grown round diamond

This 1.35ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843641799 or 843641799. Listed at 16 retailers as of October 30, 2026, with a 154% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.35
Carat
J
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843641799
Dimensions7.11 × 7.07 × 4.31 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.11 mm7.07 mm1.35 ctJ / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG843641799
Side View
Table 60.0%Crown 35.1°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 60.7%

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: £1,144 GBP|Low: £142 GBP|High: £1,144 GBP|Avg: £408 GBP|+38.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 4, 2026
Retailer 6£189 GBP
Retailer 3£211 GBP
Retailer 13£219 GBP
Retailer 16£234 GBP
Retailer 7£297 GBP
Retailer 14£316 GBP
Retailer 15£353 GBP
Retailer 12£360 GBP
Retailer 2£368 GBP
Retailer 10£380 GBP
Retailer 9£446 GBP
Retailer 4£484 GBP
Retailer 5£528 GBP
Retailer 11£556 GBP
Retailer 8£566 GBP
Retailer 17£791 GBP
MOH London£1,144 GBP

15 data points across 17 retailers

16 retailers£219 GBP to £556 GBP

Retailer 1
-
£189 GBP
Price last confirmed 11 days ago
B+
Retailer 2
-
£219 GBP
View
Retailer 3
-
£234 GBP
View
Price last confirmed 10 days ago
Retailer 4
-
£297 GBP
View
Price last confirmed 14 days ago
B+
Retailer 5
-
£316 GBP
View
Retailer 6
-
£353 GBP
View
Price last confirmed 9 days ago
B+
Retailer 7
-
£360 GBP
View
A
Retailer 8
-
£368 GBP
View
B+
Retailer 9
-
£380 GBP
View
B+
Retailer 10
-
£446 GBP
View
Retailer 11
-
£484 GBP
View
Price last confirmed 10 days ago
Retailer 12
-
£528 GBP
View
Price last confirmed 11 days ago
B+
Retailer 13
-
£556 GBP
View
Retailer 14
-
£566 GBP
View
Price last confirmed 13 days ago
Retailer 15
-
£791 GBP
View
Price last confirmed 10 days ago
Most Expensive
MOH London
LG843641799 · Oct 26
£1,144 GBP
View
Price last confirmed 10 days ago
15 more retailers have this diamond
Prices start from £219 GBPSave up to £337 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
1.35ct Round
£219 GBP