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Heart|Lab Grown|IGI

1.65ct I VS1 Heart Lab Grown Diamond

EX • I/VS1 • IGI LG649405795

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG649405795

Diamond specifications and retailer prices

From £304 GBP
$407 USD
As of October 30, 2026
Save £641 GBP (68%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £945 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.65ct lab-grown heart diamond

This 1.65ct lab-grown heart sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG649405795 or 649405795. Listed at 5 retailers as of October 30, 2026, with prices from £304 to £945, a £641 spread on the same certified stone. MOH London lists it at £945. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.65
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG649405795
Dimensions6.95 × 8.12 × 4.95 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.95 mm8.12 mm1.65 ctI / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG649405795
Side View
Table 57.0%Crown 36.9°Girdle: MED-THKPavilion 40.2°Culet: NoneDepth 61.0%

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 30
Current: £945 GBP|Low: £304 GBP|High: £956 GBP|Avg: £601 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 4£304 GBP
Retailer 2£363 GBP
Retailer 3£406 GBP
Retailer 7£422 GBP
Retailer 5£884 GBP
Retailer 6£885 GBP
MOH London£945 GBP

11 data points across 7 retailers

5 retailers£304 GBP to £945 GBP

A
Cheapest Retailer
-
£304 GBP
$407 USD
B+
Retailer 2
-
£363 GBP
$486 USD
View
A
Retailer 3
-
£406 GBP
$544 USD
View
B
Retailer 4
-
£884 GBP
$1,185 USD
View
Most Expensive
B
MOH London
LG649405795 · Nov 1
£945 GBP
View
4 more retailers have this diamond
Prices start from £304 GBPSave up to £641 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
1.65ct Heart
£304 GBP