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Heart|Lab Grown|IGI

1.25ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG844657604

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG844657604

Diamond specifications and retailer prices

From £133 GBP
As of November 4, 2026
Save £702 GBP (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £835 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 LG844657604 or 844657604. Listed at 19 retailers as of November 4, 2026, with prices from £133 to £835, a £702 spread on the same certified stone. Reve Diamonds lists it at £835. 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°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844657604
Dimensions7.07 × 7.34 × 4.19 mm
L/W Ratio1.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.07 mm7.34 mm1.25 ctD / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844657604
Side View
Table 65.0%Crown 38°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 57.1%

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: £293 GBP|Low: £133 GBP|High: £835 GBP|Avg: £401 GBP|-2.7%
Retailer 1
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Retailer 18
Reve Diamonds
November 5, 2026
Retailer 13£133 GBP
Retailer 15£148 GBP
Retailer 18£154 GBP
Retailer 3£164 GBP
Retailer 8£190 GBP
Retailer 12£219 GBP
Retailer 5£272 GBP
Retailer 17£291 GBP
Retailer 1£293 GBP
Retailer 10£352 GBP
Retailer 9£359 GBP
Retailer 2£419 GBP
Retailer 14£529 GBP
Retailer 6£538 GBP
Retailer 4£547 GBP
Retailer 7£563 GBP
Retailer 16£568 GBP
Retailer 11£767 GBP
Reve Diamonds£835 GBP

11 data points across 19 retailers

19 retailers£133 GBP to £835 GBP

A
Cheapest Retailer
-
£133 GBP
A
Retailer 2
-
£148 GBP
View
Final sale: no returns
A
Retailer 3
-
£154 GBP
View
A
Retailer 4
-
£164 GBP
View
A
Retailer 5
-
£190 GBP
View
A
Retailer 6
-
£219 GBP
View
A
Retailer 7
-
£272 GBP
View
A
Retailer 8
-
£291 GBP
View
A
Retailer 9
-
£293 GBP
View
Retailer 10
-
£352 GBP
View
Price last confirmed 10 days ago
Retailer 11
-
£359 GBP
View
Price last confirmed 9 days ago
B+
Retailer 12
-
£419 GBP
View
B
Retailer 13
-
£529 GBP
View
B+
Retailer 14
-
£538 GBP
View
B+
Retailer 15
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£547 GBP
View
B+
Retailer 16
-
£563 GBP
View
B
Retailer 17
-
£568 GBP
View
B
Retailer 18
-
£767 GBP
View
Most Expensive
B
Reve Diamonds
C6C70DFFF · Nov 4
£835 GBP
$1,127 USD
View
18 more retailers have this diamond
Prices start from £133 GBPSave up to £702 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
£133 GBP