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Heart|Lab Grown|IGI

1.00ct E VVS1 Heart Lab Grown Diamond

EX • E/VVS1 • IGI LG840616828

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840616828

Diamond specifications and retailer prices

From £134 GBP
$179 USD
As of October 30, 2026
Save £707 GBP (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £841 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 LG840616828 or 840616828. Listed at 19 retailers as of October 30, 2026, with prices from £134 to £841, a £707 spread on the same certified stone. Reve Diamonds lists it at £841. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840616828
Dimensions6.30 × 6.73 × 3.95 mm
L/W Ratio1.07
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.30 mm6.73 mm1.00 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840616828
Side View
Table 60.0%Crown 36.3°Girdle: MED-THKPavilion 38.5°Culet: NoneDepth 58.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £298 GBP|Low: £134 GBP|High: £841 GBP|Avg: £365 GBP|+2.2%
Retailer 1
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Retailer 11
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Retailer 18
Reve Diamonds
October 30, 2026
Retailer 7£134 GBP
Retailer 13£149 GBP
Retailer 5£155 GBP
Retailer 2£166 GBP
Retailer 4£166 GBP
Retailer 11£203 GBP
Retailer 10£224 GBP
Retailer 15£284 GBP
Retailer 3£298 GBP
Retailer 1£298 GBP
Retailer 9£328 GBP
Retailer 6£400 GBP
Retailer 17£403 GBP
Retailer 8£533 GBP
Retailer 18£563 GBP
Retailer 14£573 GBP
Retailer 16£608 GBP
Retailer 12£778 GBP
Reve Diamonds£841 GBP

20 data points across 19 retailers

19 retailers£134 GBP to £841 GBP

A
Cheapest Retailer
-
£134 GBP
$179 USD
A
Retailer 2
-
£149 GBP
$200 USD
View
Final sale: no returns
A
Retailer 3
-
£155 GBP
$208 USD
View
A
Retailer 4
-
£166 GBP
$222 USD
View
A
Retailer 5
-
£166 GBP
$222 USD
View
A
Retailer 6
-
£203 GBP
View
A
Retailer 7
-
£224 GBP
$300 USD
View
A
Retailer 8
-
£284 GBP
ZAR 6,157 ZAR
View
B+
Retailer 9
-
£298 GBP
$399 USD
View
B+
Retailer 10
-
£298 GBP
View
B+
Retailer 11
-
£328 GBP
$440 USD
View
B+
Retailer 12
-
£400 GBP
$536 USD
View
B+
Retailer 13
-
£403 GBP
A$830 AUD
View
B
Retailer 14
-
£533 GBP
$714 USD
View
B
Retailer 15
-
£563 GBP
$754 USD
View
B
Retailer 16
-
£573 GBP
$768 USD
View
B
Retailer 17
-
£608 GBP
A$1,254 AUD
View
B
Retailer 18
-
£778 GBP
View
Most Expensive
B
Reve Diamonds
44C14D6F8 · Oct 30
£841 GBP
$1,127 USD
View
18 more retailers have this diamond
Prices start from £134 GBPSave up to £707 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
£134 GBP