CaratHunter
Plans
Heart|Lab Grown|IGI

1.45ct E VS1 Heart Lab Grown Diamond

EX • E/VS1 • IGI LG681553878

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG681553878

Diamond specifications and retailer prices

From £269 GBP
$361 USD
As of October 30, 2026
Save £1,028 GBP (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,298 GBP at Michael Trio · As of October 30, 2026
View at Michael Trio

About this 1.45ct lab-grown heart diamond

This 1.45ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG681553878 or 681553878. Listed at 15 retailers as of October 30, 2026, with prices from £269 to £1,298, a £1,028 spread on the same certified stone. Michael Trio lists it at £1,298. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.45
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG681553878
Dimensions7.20 × 7.84 × 4.59 mm
L/W Ratio1.09
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.20 mm7.84 mm1.45 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG681553878
Side View
Table 59.0%Crown 37.1°Girdle: MED-STKPavilion 39°Culet: NoneDepth 58.5%

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: £1,298 GBP|Low: £269 GBP|High: £1,346 GBP|Avg: £704 GBP|+20.1%
Michael Trio
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
October 30, 2026
Retailer 15£269 GBP
Retailer 2£376 GBP
Retailer 10£452 GBP
Retailer 3£475 GBP
Retailer 14£486 GBP
Retailer 12£506 GBP
Retailer 8£534 GBP
Retailer 5£619 GBP
Retailer 6£636 GBP
Retailer 11£735 GBP
Retailer 7£851 GBP
Retailer 13£878 GBP
Retailer 9£1,202 GBP
Michael Trio£1,298 GBP
Retailer 4£1,346 GBP

22 data points across 15 retailers

15 retailers£269 GBP to £1,298 GBP

Retailer 1
-
£242 GBP
$324 USD
Price last confirmed 30 days ago
A
Retailer 2
-
£269 GBP
$361 USD
View
Final sale: no returns
Retailer 3
-
£280 GBP
$375 USD
View
Price last confirmed 31 days ago
Retailer 4
-
£296 GBP
$396 USD
View
Price last confirmed 33 days ago
A
Retailer 5
-
£376 GBP
View
B+
Retailer 6
-
£452 GBP
$605 USD
View
B+
Retailer 7
-
£475 GBP
$636 USD
View
B+
Retailer 8
-
£486 GBP
$651 USD
View
Retailer 9
-
£506 GBP
ZAR 10,961 ZAR
View
Price last confirmed 7 days ago
B+
Retailer 10
-
£534 GBP
View
B
Retailer 11
-
£735 GBP
A$1,516 AUD
View
B
Retailer 12
-
£878 GBP
$1,176 USD
View
Retailer 13
-
£963 GBP
$1,290 USD
View
Price last confirmed 30 days ago
B
Retailer 14
-
£1,202 GBP
View
Most Expensive
B
Michael Trio
1366617603 · Oct 30
£1,298 GBP
SGD 2,350 SGD
View
14 more retailers have this diamond
Prices start from £269 GBPSave up to £1,028 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
1.45ct Heart
£269 GBP