Heart|Lab Grown|IGI

1.23ct E VVS2 Heart Lab Grown Diamond

ID • E/VVS2 • IGI LG828618713

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG828618713

Diamond specifications and retailer prices

From £161 GBP
$216 USD
As of October 24, 2026
Save £869 GBP (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,030 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.23ct lab-grown heart diamond

This 1.23ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG828618713 or 828618713. Listed at 17 retailers as of October 24, 2026, with prices from £161 to £1,030, a £869 spread on the same certified stone. Brilliant Earth lists it at £1,030. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
E
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle31.8°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828618713
Dimensions7.48 × 6.54 × 4.38 mm
L/W Ratio1.14
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.48 mm6.54 mm1.23 ctE / VVS2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG828618713
Side View
Table 69.0%Crown 31.8°Girdle: MED-THKPavilion 41.5°Culet: NoneDepth 58.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 24
Current: £1,030 GBP|Low: £154 GBP|High: £1,060 GBP|Avg: £493 GBP|-2.8%
Brilliant Earth
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
October 31, 2026
Retailer 4£154 GBP
Retailer 6£191 GBP
Retailer 9£211 GBP
Retailer 12£291 GBP
Retailer 14£303 GBP
Retailer 10£310 GBP
Retailer 8£369 GBP
Retailer 13£435 GBP
Retailer 2£556 GBP
Retailer 7£569 GBP
Retailer 5£593 GBP
Retailer 11£806 GBP
Retailer 3£857 GBP
Brilliant Earth£1,030 GBP

42 data points across 14 retailers

17 retailers£161 GBP to £1,030 GBP

Retailer 1
-
£139 GBP
$186 USD
Price last confirmed 7 days ago
A
Retailer 2
-
£161 GBP
$216 USD
View
A
Retailer 3
-
£172 GBP
$230 USD
View
A
Retailer 4
-
£191 GBP
HK$2,000 HKD
View
A
Retailer 5
-
£211 GBP
View
Retailer 6
-
£291 GBP
ZAR 6,295 ZAR
View
Price last confirmed 7 days ago
B+
Retailer 7
-
£303 GBP
$406 USD
View
A
Retailer 8
-
£310 GBP
View
B+
Retailer 9
-
£369 GBP
$494 USD
View
B
Retailer 10
-
£435 GBP
$583 USD
View
B+
Retailer 11
-
£553 GBP
$741 USD
View
B+
Retailer 12
-
£556 GBP
SGD 1,006 SGD
View
B
Retailer 13
-
£569 GBP
$762 USD
View
B
Retailer 14
-
£593 GBP
$795 USD
View
B
Retailer 15
-
£806 GBP
View
B
Retailer 16
-
£857 GBP
$1,149 USD
View
Most Expensive
B
Brilliant Earth
21385164A · Oct 30
£1,030 GBP
$1,380 USD
View
16 more retailers have this diamond
Prices start from £161 GBPSave up to £869 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
1.23ct Heart
£161 GBP