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Heart|Lab Grown|IGI

1.45ct D VS1 Heart Lab Grown Diamond

EX • D/VS1 • IGI LG683536434

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG683536434

Diamond specifications and retailer prices

From £190 GBP
$255 USD
As of November 2, 2026
Save £831 GBP (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,021 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 LG683536434 or 683536434. Listed at 18 retailers as of November 1, 2026, with prices from £190 to £1,021, a £831 spread on the same certified stone. Reve Diamonds lists it at £1,021. 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 angle36.9°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG683536434
Dimensions7.08 × 7.90 × 4.62 mm
L/W Ratio1.12
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
7.08 mm7.90 mm1.45 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG683536434
Side View
Table 61.0%Crown 36.9°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 58.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: £315 GBP|Low: £183 GBP|High: £957 GBP|Avg: £415 GBP|-0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
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Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 2, 2026
Retailer 16£190 GBP
Retailer 7£213 GBP
Retailer 4£221 GBP
Retailer 2£236 GBP
Retailer 5£236 GBP
Retailer 1£315 GBP
Retailer 14£319 GBP
Retailer 15£354 GBP
Retailer 10£407 GBP
Retailer 6£430 GBP
Retailer 9£450 GBP
Retailer 8£485 GBP
Retailer 12£574 GBP
Retailer 13£578 GBP
Retailer 3£759 GBP
Retailer 11£950 GBP

42 data points across 16 retailers

18 retailers£190 GBP to £1,021 GBP

A
Cheapest Retailer
-
£190 GBP
$255 USD
A
Retailer 2
-
£213 GBP
$286 USD
View
Final sale: no returns
A
Retailer 3
-
£221 GBP
$296 USD
View
A
Retailer 4
-
£236 GBP
$317 USD
View
Retailer 5
-
£236 GBP
$317 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
£315 GBP
View
B+
Retailer 7
-
£319 GBP
$428 USD
View
A
Retailer 8
-
£354 GBP
$475 USD
View
B+
Retailer 9
-
£407 GBP
ZAR 8,832 ZAR
View
B+
Retailer 10
-
£430 GBP
$577 USD
View
B+
Retailer 11
-
£450 GBP
View
B+
Retailer 12
-
£485 GBP
$651 USD
View
B+
Retailer 13
-
£574 GBP
A$1,185 AUD
View
B+
Retailer 14
-
£578 GBP
$776 USD
View
B
Retailer 15
-
£759 GBP
$1,018 USD
View
B
Retailer 16
-
£797 GBP
$1,069 USD
View
B
Retailer 17
-
£950 GBP
View
Most Expensive
B
Reve Diamonds
C3FCE0686 · Nov 1
£1,021 GBP
$1,370 USD
View
17 more retailers have this diamond
Prices start from £190 GBPSave up to £831 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
£190 GBP