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Heart|Lab Grown|IGI

1.00ct E VVS1 Heart Lab Grown Diamond

ID • E/VVS1 • IGI LG812620760

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG812620760

Diamond specifications and retailer prices

From £129 GBP
$173 USD
As of October 30, 2026
Save £697 GBP (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £826 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1ct lab-grown heart diamond

This 1ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG812620760 or 812620760. Listed at 20 retailers as of October 30, 2026, with prices from £129 to £826, a £697 spread on the same certified stone. Reve Diamonds lists it at £826. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812620760
Dimensions6.85 × 6.18 × 3.93 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
6.85 mm6.18 mm1.00 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812620760
Side View
Table 57.0%Crown 33.3°Girdle: THK-VTKPavilion 38.5°Culet: NoneDepth 57.4%

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: Oct 30
Current: £397 GBP|Low: £129 GBP|High: £845 GBP|Avg: £380 GBP|-22.8%
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Retailer 19
Reve Diamonds
October 31, 2026
Retailer 5£129 GBP
Retailer 7£144 GBP
Retailer 2£150 GBP
Retailer 15£160 GBP
Retailer 11£167 GBP
Retailer 14£197 GBP
Retailer 19£225 GBP
Retailer 4£275 GBP
Retailer 16£278 GBP
Retailer 13£286 GBP
Retailer 3£296 GBP
Retailer 6£332 GBP
Retailer 8£391 GBP
Retailer 9£396 GBP
Retailer 1£397 GBP
Retailer 18£514 GBP
Retailer 10£555 GBP
Retailer 12£679 GBP
Retailer 17£753 GBP
Reve Diamonds£826 GBP

27 data points across 20 retailers

20 retailers£129 GBP to £826 GBP

A
Cheapest Retailer
-
£129 GBP
$173 USD
A
Retailer 2
-
£144 GBP
$193 USD
View
Final sale: no returns
A
Retailer 3
-
£150 GBP
$201 USD
View
A
Retailer 4
-
£160 GBP
$214 USD
View
A
Retailer 5
-
£167 GBP
$224 USD
View
A
Retailer 6
-
£197 GBP
View
A
Retailer 7
-
£225 GBP
$302 USD
View
A
Retailer 8
-
£275 GBP
ZAR 5,949 ZAR
View
A
Retailer 9
-
£278 GBP
€355 EUR
View
A
Retailer 10
-
£286 GBP
View
B+
Retailer 11
-
£296 GBP
$397 USD
View
B+
Retailer 12
-
£332 GBP
$445 USD
View
B+
Retailer 13
-
£391 GBP
A$805 AUD
View
B+
Retailer 14
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£396 GBP
$530 USD
View
B+
Retailer 15
-
£397 GBP
$532 USD
View
B+
Retailer 16
-
£514 GBP
$689 USD
View
B
Retailer 17
-
£555 GBP
$744 USD
View
B
Retailer 18
-
£679 GBP
$910 USD
View
B
Retailer 19
-
£753 GBP
View
Most Expensive
B
Reve Diamonds
1785C5181 · Oct 30
£826 GBP
$1,107 USD
View
19 more retailers have this diamond
Prices start from £129 GBPSave up to £697 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
1.00ct Heart
£129 GBP