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Heart|Lab Grown|IGI

1.27ct D VVS1 Heart Lab Grown Diamond

EX • D/VVS1 • IGI LG837660308

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG837660308

Diamond specifications and retailer prices

From £225 GBP
$302 USD
As of November 1, 2026
Save £831 GBP (79%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,056 GBP at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

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 LG837660308 or 837660308. Listed at 13 retailers as of November 1, 2026, with prices from £225 to £1,056, a £831 spread on the same certified stone. Reve Diamonds lists it at £1,056. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837660308
Dimensions7.49 × 6.35 × 4.47 mm
L/W Ratio1.18
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
7.49 mm6.35 mm1.27 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837660308
Side View
Table 58.0%Crown 38.1°Girdle: MED-STKPavilion 38.3°Culet: NoneDepth 59.7%

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 1
Current: £592 GBP|Low: £225 GBP|High: £1,056 GBP|Avg: £563 GBP|-22.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Reve Diamonds
November 2, 2026
Retailer 4£225 GBP
Retailer 5£285 GBP
Retailer 9£334 GBP
Retailer 2£369 GBP
Retailer 7£430 GBP
Retailer 6£438 GBP
Retailer 12£487 GBP
Retailer 1£592 GBP
Retailer 11£607 GBP
Retailer 3£840 GBP
Retailer 10£858 GBP
Retailer 8£1,000 GBP
Reve Diamonds£1,056 GBP

18 data points across 13 retailers

13 retailers£225 GBP to £1,056 GBP

A
Cheapest Retailer
-
£225 GBP
$302 USD
Final sale: no returns
A
Retailer 2
-
£285 GBP
View
A
Retailer 3
-
£334 GBP
$448 USD
View
B+
Retailer 4
-
£369 GBP
$495 USD
View
B+
Retailer 5
-
£430 GBP
ZAR 9,330 ZAR
View
B+
Retailer 6
-
£438 GBP
View
B+
Retailer 7
-
£487 GBP
$654 USD
View
B+
Retailer 8
-
£592 GBP
$794 USD
View
B+
Retailer 9
-
£607 GBP
A$1,254 AUD
View
B
Retailer 10
-
£840 GBP
$1,128 USD
View
B
Retailer 11
-
£858 GBP
A$1,771 AUD
View
B
Retailer 12
-
£1,000 GBP
View
Most Expensive
B
Reve Diamonds
EF7721CB4 · Nov 1
£1,056 GBP
$1,417 USD
View
12 more retailers have this diamond
Prices start from £225 GBPSave up to £831 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
£225 GBP