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Heart|Lab Grown|IGI

1.45ct E VVS2 Heart Lab Grown Diamond

EX • E/VVS2 • IGI LG710548791

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG710548791

Diamond specifications and retailer prices

From £150 GBP
As of November 4, 2026
Save £1,287 GBP (90%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,515 GBP at Queensmith · As of October 27, 2026
View at Queensmith

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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG710548791 or 710548791. Listed at 12 retailers as of November 4, 2026, with a 860% 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

1.45
Carat
E
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG710548791
Dimensions7.10 × 7.95 × 4.53 mm
L/W Ratio1.12
Girdle conditionFaceted
Culet sizePointed
Top View
7.10 mm7.95 mm1.45 ctE / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG710548791
Side View
Table 60.0%Crown 34.3°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 57.0%

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: Nov 4
Current: £1,515 GBP|Low: £127 GBP|High: £1,533 GBP|Avg: £657 GBP
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 3£150 GBP
Retailer 11£167 GBP
Retailer 7£185 GBP
Retailer 9£251 GBP
Retailer 10£374 GBP
Retailer 2£380 GBP
Retailer 6£499 GBP
Retailer 8£657 GBP
Retailer 4£790 GBP
Retailer 5£816 GBP
Retailer 12£1,437 GBP
Queensmith£1,515 GBP

28 data points across 12 retailers

12 retailers£150 GBP to £1,437 GBP

A
Cheapest Retailer
-
£150 GBP
A
Retailer 2
-
£167 GBP
View
Final sale: no returns
A
Retailer 3
-
£185 GBP
View
B+
Retailer 4
-
£251 GBP
View
A
Retailer 5
-
£374 GBP
View
A
Retailer 6
-
£380 GBP
View
B+
Retailer 7
-
£499 GBP
View
B+
Retailer 8
-
£657 GBP
View
B
Retailer 9
-
£790 GBP
View
B+
Retailer 10
-
£816 GBP
View
B
Retailer 11
-
£1,437 GBP
View
Most Expensive
Queensmith
LG710548791 · Oct 27
£1,515 GBP
View
Price last confirmed 8 days ago
11 more retailers have this diamond
Prices start from £150 GBPSave up to £1,287 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
£150 GBP