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Heart|Lab Grown|IGI

1.25ct D VS1 Heart Lab Grown Diamond

EX • D/VS1 • IGI LG652418433

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG652418433

Diamond specifications and retailer prices

From £164 GBP
As of November 4, 2026
Save £770 GBP (82%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £934 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 LG652418433 or 652418433. Listed at 20 retailers as of November 4, 2026, with prices from £164 to £934, a £770 spread on the same certified stone. Reve Diamonds lists it at £934. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG652418433
Dimensions6.74 × 7.36 × 4.35 mm
L/W Ratio1.09
Girdle conditionFaceted
Culet sizePointed
Top View
6.74 mm7.36 mm1.25 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG652418433
Side View
Table 57.0%Crown 36.9°Girdle: MED-STKPavilion 38.8°Culet: NoneDepth 59.1%

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: £374 GBP|Low: £164 GBP|High: £944 GBP|Avg: £450 GBP|+15.0%
Retailer 1
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Retailer 19
Reve Diamonds
November 5, 2026
Retailer 14£164 GBP
Retailer 16£182 GBP
Retailer 2£190 GBP
Retailer 6£207 GBP
Retailer 7£207 GBP
Retailer 13£270 GBP
Retailer 5£319 GBP
Retailer 19£347 GBP
Retailer 4£357 GBP
Retailer 9£370 GBP
Retailer 1£374 GBP
Retailer 8£442 GBP
Retailer 3£506 GBP
Retailer 10£593 GBP
Retailer 15£653 GBP
Retailer 18£656 GBP
Retailer 17£692 GBP
Retailer 11£704 GBP
Retailer 12£812 GBP
Reve Diamonds£934 GBP

38 data points across 20 retailers

20 retailers£164 GBP to £934 GBP

A
Cheapest Retailer
-
£164 GBP
A
Retailer 2
-
£182 GBP
View
Final sale: no returns
A
Retailer 3
-
£190 GBP
View
A
Retailer 4
-
£207 GBP
View
Retailer 5
-
£207 GBP
View
Price last confirmed 11 days ago
A
Retailer 6
-
£270 GBP
View
A
Retailer 7
-
£319 GBP
View
B+
Retailer 8
-
£347 GBP
View
B+
Retailer 9
-
£357 GBP
View
B+
Retailer 10
-
£370 GBP
View
B+
Retailer 11
-
£374 GBP
View
B+
Retailer 12
-
£442 GBP
View
B+
Retailer 13
-
£506 GBP
View
B
Retailer 14
-
£593 GBP
View
B
Retailer 15
-
£653 GBP
View
B
Retailer 16
-
£656 GBP
View
B
Retailer 17
-
£692 GBP
View
Retailer 18
-
£704 GBP
View
Price last confirmed 22 days ago
B
Retailer 19
-
£812 GBP
View
Most Expensive
B
Reve Diamonds
1798D498F · Nov 4
£934 GBP
$1,261 USD
View
19 more retailers have this diamond
Prices start from £164 GBPSave up to £770 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
£164 GBP