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Heart|Lab Grown|IGI

1.00ct E VVS1 Heart Lab Grown Diamond

EX • E/VVS1 • IGI LG818671052

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818671052

Diamond specifications and retailer prices

From £137 GBP
$184 USD
As of October 30, 2026
Save £714 GBP (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £852 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 LG818671052 or 818671052. Listed at 19 retailers as of October 30, 2026, with prices from £137 to £852, a £714 spread on the same certified stone. Reve Diamonds lists it at £852. 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 angle33.4°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818671052
Dimensions5.98 × 7.08 × 4.09 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
5.98 mm7.08 mm1.00 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818671052
Side View
Table 62.0%Crown 33.4°Girdle: MED-VTKPavilion 42.1°Culet: NoneDepth 57.8%

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: £377 GBP|Low: £112 GBP|High: £866 GBP|Avg: £436 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Reve Diamonds
October 31, 2026
Retailer 4£152 GBP
Retailer 16£159 GBP
Retailer 6£170 GBP
Retailer 13£170 GBP
Retailer 7£230 GBP
Retailer 11£292 GBP
Retailer 15£299 GBP
Retailer 9£307 GBP
Retailer 1£377 GBP
Retailer 12£414 GBP
Retailer 8£463 GBP
Retailer 2£546 GBP
Retailer 3£577 GBP
Retailer 5£586 GBP
Retailer 10£608 GBP
Retailer 14£795 GBP
Reve Diamonds£852 GBP

45 data points across 17 retailers

19 retailers£137 GBP to £852 GBP

A
Cheapest Retailer
-
£137 GBP
$184 USD
A
Retailer 2
-
£152 GBP
$204 USD
View
Final sale: no returns
A
Retailer 3
-
£159 GBP
$213 USD
View
A
Retailer 4
-
£170 GBP
$228 USD
View
A
Retailer 5
-
£170 GBP
$228 USD
View
Retailer 6
-
£172 GBP
$230 USD
View
Price last confirmed 35 days ago
A
Retailer 7
-
£230 GBP
$308 USD
View
A
Retailer 8
-
£292 GBP
ZAR 6,313 ZAR
View
B+
Retailer 9
-
£299 GBP
$400 USD
View
B+
Retailer 10
-
£307 GBP
View
B+
Retailer 11
-
£377 GBP
A$778 AUD
View
B+
Retailer 12
-
£414 GBP
A$854 AUD
View
B+
Retailer 13
-
£463 GBP
SGD 838 SGD
View
B
Retailer 14
-
£546 GBP
$732 USD
View
B
Retailer 15
-
£577 GBP
$773 USD
View
B
Retailer 16
-
£586 GBP
$786 USD
View
B
Retailer 17
-
£608 GBP
A$1,254 AUD
View
B
Retailer 18
-
£795 GBP
View
Most Expensive
B
Reve Diamonds
712B7DF11 · Oct 30
£852 GBP
$1,141 USD
View
18 more retailers have this diamond
Prices start from £137 GBPSave up to £714 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
£137 GBP