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Heart|Lab Grown|IGI

1.25ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG723548258

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG723548258

Diamond specifications and retailer prices

From £145 GBP
As of November 4, 2026
Save £729 GBP (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £875 GBP at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.25ct lab-grown heart diamond

This 1.25ct 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 LG723548258 or 723548258. Listed at 20 retailers as of November 4, 2026, with prices from £145 to £875, a £729 spread on the same certified stone. Reve Diamonds lists it at £875. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG723548258
Dimensions7.13 × 7.13 × 4.31 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.13 mm7.13 mm1.25 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG723548258
Side View
Table 58.0%Crown 37.2°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 60.4%

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: Nov 4
Current: £325 GBP|Low: £145 GBP|High: £884 GBP|Avg: £408 GBP|-0.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 15
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Retailer 17
Reve Diamonds
November 5, 2026
Retailer 12£145 GBP
Retailer 15£161 GBP
Retailer 3£168 GBP
Retailer 7£184 GBP
Retailer 8£184 GBP
Retailer 11£239 GBP
Retailer 2£314 GBP
Retailer 5£316 GBP
Retailer 6£319 GBP
Retailer 1£325 GBP
Retailer 14£441 GBP
Retailer 4£447 GBP
Retailer 13£579 GBP
Retailer 17£581 GBP
Retailer 16£618 GBP
Retailer 9£704 GBP
Retailer 10£839 GBP
Reve Diamonds£875 GBP

39 data points across 18 retailers

20 retailers£145 GBP to £875 GBP

A
Cheapest Retailer
-
£145 GBP
A
Retailer 2
-
£161 GBP
View
Final sale: no returns
A
Retailer 3
-
£168 GBP
View
A
Retailer 4
-
£184 GBP
View
Retailer 5
-
£184 GBP
View
Price last confirmed 11 days ago
A
Retailer 6
-
£239 GBP
View
A
Retailer 7
-
£314 GBP
View
A
Retailer 8
-
£316 GBP
View
A
Retailer 9
-
£319 GBP
View
A
Retailer 10
-
£325 GBP
View
B+
Retailer 11
-
£364 GBP
View
B+
Retailer 12
-
£421 GBP
View
B+
Retailer 13
-
£441 GBP
View
B+
Retailer 14
-
£447 GBP
View
B+
Retailer 15
-
£579 GBP
View
B
Retailer 16
-
£581 GBP
View
B
Retailer 17
-
£618 GBP
View
Retailer 18
-
£704 GBP
View
Price last confirmed 21 days ago
B
Retailer 19
-
£839 GBP
View
Most Expensive
B
Reve Diamonds
7490E5725 · Nov 4
£875 GBP
$1,181 USD
View
19 more retailers have this diamond
Prices start from £145 GBPSave up to £729 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
1.25ct Heart
£145 GBP