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Heart|Lab Grown|IGI

1.00ct E VVS1 Heart Lab Grown Diamond

ID • E/VVS1 • IGI LG669427059

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG669427059

Diamond specifications and retailer prices

From £148 GBP
$198 USD
As of October 30, 2026
Save £739 GBP (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £887 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 LG669427059 or 669427059. Listed at 22 retailers as of October 30, 2026, with prices from £148 to £887, a £739 spread on the same certified stone. Reve Diamonds lists it at £887. 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 angle36.3°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG669427059
Dimensions6.35 × 6.91 × 3.99 mm
L/W Ratio1.09
Girdle conditionFaceted
Culet sizePointed
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
6.35 mm6.91 mm1.00 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG669427059
Side View
Table 59.0%Crown 36.3°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 57.7%

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: Oct 30
Current: £336 GBP|Low: £141 GBP|High: £887 GBP|Avg: £392 GBP|+3.1%
Retailer 1
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Retailer 20
Reve Diamonds
October 30, 2026
Retailer 2£148 GBP
Retailer 9£165 GBP
Retailer 11£172 GBP
Retailer 6£184 GBP
Retailer 8£184 GBP
Retailer 12£225 GBP
Retailer 20£302 GBP
Retailer 17£315 GBP
Retailer 7£319 GBP
Retailer 14£321 GBP
Retailer 1£336 GBP
Retailer 4£360 GBP
Retailer 13£402 GBP
Retailer 18£449 GBP
Retailer 5£495 GBP
Retailer 3£590 GBP
Retailer 16£624 GBP
Retailer 10£630 GBP
Retailer 19£851 GBP
Retailer 15£863 GBP
Reve Diamonds£887 GBP

30 data points across 21 retailers

22 retailers£148 GBP to £887 GBP

A
Cheapest Retailer
-
£148 GBP
$198 USD
A
Retailer 2
-
£165 GBP
$221 USD
View
Final sale: no returns
A
Retailer 3
-
£172 GBP
$230 USD
View
A
Retailer 4
-
£184 GBP
$246 USD
View
A
Retailer 5
-
£184 GBP
$246 USD
View
A
Retailer 6
-
£225 GBP
View
B+
Retailer 7
-
£302 GBP
$405 USD
View
B+
Retailer 8
-
£315 GBP
ZAR 6,821 ZAR
View
B+
Retailer 9
-
£319 GBP
$428 USD
View
B+
Retailer 10
-
£321 GBP
€409 EUR
View
B+
Retailer 11
-
£336 GBP
View
B+
Retailer 12
-
£360 GBP
$482 USD
View
B+
Retailer 13
-
£402 GBP
A$828 AUD
View
B+
Retailer 14
-
£449 GBP
A$925 AUD
View
B
Retailer 15
-
£495 GBP
$663 USD
View
B
Retailer 16
-
£590 GBP
$791 USD
View
B
Retailer 17
-
£624 GBP
A$1,287 AUD
View
B
Retailer 18
-
£630 GBP
$844 USD
View
B
Retailer 19
-
£652 GBP
$874 USD
View
Retailer 20
-
£851 GBP
$1,140 USD
View
Price last confirmed 9 days ago
B
Retailer 21
-
£863 GBP
View
Most Expensive
B
Reve Diamonds
A5EA1BC73 · Oct 30
£887 GBP
$1,188 USD
View
21 more retailers have this diamond
Prices start from £148 GBPSave up to £739 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
£148 GBP