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Heart|Lab Grown|IGI

1.45ct D VS1 Heart Lab Grown Diamond

EX • D/VS1 • IGI LG653454303

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG653454303

Diamond specifications and retailer prices

From £191 GBP
$256 USD
As of November 1, 2026
Save £769 GBP (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £959 GBP at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG653454303 or 653454303. Listed at 20 retailers as of November 1, 2026, with prices from £191 to £959, a £769 spread on the same certified stone. Reve Diamonds lists it at £959. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.45
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.2°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG653454303
Dimensions6.75 × 7.84 × 4.65 mm
L/W Ratio1.16
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.75 mm7.84 mm1.45 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG653454303
Side View
Table 61.0%Crown 42.2°Girdle: MED-STKPavilion 37.9°Culet: NoneDepth 59.3%

Caratlytics Score

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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: Nov 1
Current: £283 GBP|Low: £191 GBP|High: £1,015 GBP|Avg: £445 GBP|-16.1%
Retailer 1
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
Reve Diamonds
November 2, 2026
Retailer 16£191 GBP
Retailer 7£202 GBP
Retailer 5£238 GBP
Retailer 8£250 GBP
Retailer 1£283 GBP
Retailer 3£285 GBP
Retailer 10£366 GBP
Retailer 6£391 GBP
Retailer 9£396 GBP
Retailer 14£398 GBP
Retailer 12£478 GBP
Retailer 13£517 GBP
Retailer 2£684 GBP
Retailer 4£684 GBP
Retailer 15£720 GBP
Retailer 11£850 GBP
Reve Diamonds£959 GBP

37 data points across 17 retailers

20 retailers£191 GBP to £959 GBP

A
Cheapest Retailer
-
£191 GBP
$256 USD
Final sale: no returns
Retailer 2
-
£202 GBP
$271 USD
View
Price last confirmed 16 days ago
Retailer 3
-
£234 GBP
$314 USD
View
Price last confirmed 34 days ago
A
Retailer 4
-
£238 GBP
HK$2,500 HKD
View
Retailer 5
-
£250 GBP
$336 USD
View
Price last confirmed 18 days ago
Retailer 6
-
£250 GBP
$336 USD
View
Price last confirmed 17 days ago
A
Retailer 7
-
£283 GBP
View
B+
Retailer 8
-
£285 GBP
$382 USD
View
A
Retailer 9
-
£366 GBP
ZAR 7,934 ZAR
View
Retailer 10
-
£391 GBP
$525 USD
View
Price last confirmed 10 days ago
A
Retailer 11
-
£396 GBP
View
A
Retailer 12
-
£398 GBP
$534 USD
View
B+
Retailer 13
-
£478 GBP
$642 USD
View
Retailer 14
-
£517 GBP
A$1,067 AUD
View
Price last confirmed 9 days ago
B+
Retailer 15
-
£684 GBP
$918 USD
View
B
Retailer 16
-
£684 GBP
SGD 1,241 SGD
View
B
Retailer 17
-
£720 GBP
$967 USD
View
Retailer 18
-
£805 GBP
$1,080 USD
View
Price last confirmed 17 days ago
B
Retailer 19
-
£850 GBP
View
Most Expensive
B
Reve Diamonds
9E98F8B63 · Nov 1
£959 GBP
$1,287 USD
View
19 more retailers have this diamond
Prices start from £191 GBPSave up to £769 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
£191 GBP