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Heart|Lab Grown|IGI

1.27ct D VVS1 Heart Lab Grown Diamond

ID • D/VVS1 • IGI LG840634629

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840634629

Diamond specifications and retailer prices

From £162 GBP
$218 USD
As of November 2, 2026
Save £955 GBP (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,118 GBP at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.27ct lab-grown heart diamond

This 1.27ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG840634629 or 840634629. Listed at 19 retailers as of November 2, 2026, with prices from £162 to £1,118, a £955 spread on the same certified stone. Brilliant Earth lists it at £1,118. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.27
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840634629
Dimensions6.72 × 7.54 × 4.27 mm
L/W Ratio1.12
Girdle conditionFaceted
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
6.72 mm7.54 mm1.27 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840634629
Side View
Table 59.0%Crown 35.8°Girdle: STK-THKPavilion 37.3°Culet: NoneDepth 56.6%

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 2
Current: £1,118 GBP|Low: £162 GBP|High: £1,118 GBP|Avg: £479 GBP
Brilliant Earth
Retailer 2
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Retailer 11
Retailer 12
Retailer 13
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Retailer 19
November 2, 2026
Retailer 11£162 GBP
Retailer 5£182 GBP
Retailer 3£189 GBP
Retailer 9£202 GBP
Retailer 17£202 GBP
Retailer 13£230 GBP
Retailer 19£346 GBP
Retailer 15£348 GBP
Retailer 14£375 GBP
Retailer 18£384 GBP
Retailer 4£474 GBP
Retailer 2£493 GBP
Retailer 12£528 GBP
Retailer 8£648 GBP
Retailer 7£654 GBP
Retailer 6£688 GBP
Retailer 10£692 GBP
Retailer 16£808 GBP
Brilliant Earth£1,118 GBP

18 data points across 19 retailers

19 retailers£162 GBP to £1,118 GBP

A
Cheapest Retailer
-
£162 GBP
$218 USD
A
Retailer 2
-
£182 GBP
$244 USD
View
Final sale: no returns
A
Retailer 3
-
£189 GBP
$253 USD
View
Retailer 4
-
£202 GBP
$271 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
£202 GBP
$271 USD
View
A
Retailer 6
-
£230 GBP
View
A
Retailer 7
-
£346 GBP
$464 USD
View
A
Retailer 8
-
£348 GBP
ZAR 7,548 ZAR
View
A
Retailer 9
-
£375 GBP
View
B+
Retailer 10
-
£384 GBP
$515 USD
View
B+
Retailer 11
-
£474 GBP
$636 USD
View
B+
Retailer 12
-
£493 GBP
A$1,018 AUD
View
B+
Retailer 13
-
£528 GBP
$709 USD
View
B
Retailer 14
-
£648 GBP
$870 USD
View
B+
Retailer 15
-
£654 GBP
SGD 1,186 SGD
View
B+
Retailer 16
-
£688 GBP
$923 USD
View
B+
Retailer 17
-
£692 GBP
$928 USD
View
B+
Retailer 18
-
£808 GBP
View
Most Expensive
B
Brilliant Earth
22142652A · Nov 2
£1,118 GBP
$1,500 USD
View
18 more retailers have this diamond
Prices start from £162 GBPSave up to £955 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
1.27ct Heart
£162 GBP