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Heart|Lab Grown|IGI

1.28ct D VVS1 Heart Lab Grown Diamond

ID • D/VVS1 • IGI LG836619671

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836619671

Diamond specifications and retailer prices

From £185 GBP
$248 USD
As of November 3, 2026
Save £1,402 GBP (88%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,587 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.28ct lab-grown heart diamond

This 1.28ct 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 LG836619671 or 836619671. Listed at 10 retailers as of November 2, 2026, with prices from £185 to £1,587, a £1,402 spread on the same certified stone. Do Amore Diamonds lists it at £1,587. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836619671
Dimensions7.62 × 6.88 × 4.22 mm
L/W Ratio1.11
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
7.62 mm6.88 mm1.28 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836619671
Side View
Table 63.0%Crown 34.3°Girdle: STK-THKPavilion 38°Culet: NoneDepth 55.4%

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 3
Current: £1,587 GBP|Low: £174 GBP|High: £1,587 GBP|Avg: £537 GBP|+6.0%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 3, 2026
Retailer 8£185 GBP
Retailer 9£254 GBP
Retailer 5£258 GBP
Retailer 7£281 GBP
Retailer 6£368 GBP
Retailer 2£553 GBP
Retailer 4£572 GBP
Retailer 3£905 GBP
Do Amore Diamonds£1,587 GBP

14 data points across 9 retailers

10 retailers£185 GBP to £1,587 GBP

A
Cheapest Retailer
-
£185 GBP
$248 USD
Final sale: no returns
A
Retailer 2
-
£254 GBP
$340 USD
View
A
Retailer 3
-
£258 GBP
View
B+
Retailer 4
-
£281 GBP
$377 USD
View
A
Retailer 5
-
£368 GBP
€470 EUR
View
B+
Retailer 6
-
£553 GBP
A$1,142 AUD
View
B+
Retailer 7
-
£572 GBP
$768 USD
View
B
Retailer 8
-
£905 GBP
View
B
Retailer 9
-
£1,118 GBP
$1,500 USD
View
Most Expensive
B
Do Amore Diamonds
27-9760E497F · Nov 2
£1,587 GBP
$2,130 USD
View
9 more retailers have this diamond
Prices start from £185 GBPSave up to £1,402 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
1.28ct Heart
£185 GBP