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Heart|Lab Grown|IGI

1.25ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG784662042

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG784662042

Diamond specifications and retailer prices

From £134 GBP
As of November 4, 2026
Save £706 GBP (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £840 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 LG784662042 or 784662042. Listed at 17 retailers as of November 4, 2026, with prices from £134 to £840, a £706 spread on the same certified stone. Reve Diamonds lists it at £840. 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
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle38.6°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784662042
Dimensions6.29 × 7.26 × 4.49 mm
L/W Ratio1.15
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.29 mm7.26 mm1.25 ctD / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784662042
Side View
Table 65.0%Crown 38.6°Girdle: STK-THKPavilion 41.1°Culet: NoneDepth 61.8%

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 4
Current: £297 GBP|Low: £134 GBP|High: £843 GBP|Avg: £361 GBP|-0.7%
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 5, 2026
Retailer 11£134 GBP
Retailer 6£151 GBP
Retailer 14£156 GBP
Retailer 8£168 GBP
Retailer 16£168 GBP
Retailer 5£190 GBP
Retailer 4£226 GBP
Retailer 15£290 GBP
Retailer 1£297 GBP
Retailer 2£352 GBP
Retailer 3£359 GBP
Retailer 7£539 GBP
Retailer 10£555 GBP
Retailer 13£565 GBP
Retailer 12£575 GBP
Retailer 9£776 GBP
Reve Diamonds£840 GBP

45 data points across 17 retailers

17 retailers£134 GBP to £840 GBP

A
Cheapest Retailer
-
£134 GBP
A
Retailer 2
-
£151 GBP
View
Final sale: no returns
A
Retailer 3
-
£156 GBP
View
A
Retailer 4
-
£168 GBP
View
Retailer 5
-
£168 GBP
View
Price last confirmed 11 days ago
A
Retailer 6
-
£190 GBP
View
B+
Retailer 7
-
£226 GBP
View
A
Retailer 8
-
£290 GBP
View
A
Retailer 9
-
£297 GBP
View
B+
Retailer 10
-
£352 GBP
View
B+
Retailer 11
-
£359 GBP
View
B
Retailer 12
-
£539 GBP
View
B
Retailer 13
-
£555 GBP
View
B
Retailer 14
-
£565 GBP
View
B
Retailer 15
-
£575 GBP
View
B
Retailer 16
-
£776 GBP
View
Most Expensive
B
Reve Diamonds
BBA7F81A1 · Nov 4
£840 GBP
$1,134 USD
View
16 more retailers have this diamond
Prices start from £134 GBPSave up to £706 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
£134 GBP