Heart|Lab Grown|IGI

1.23ct E VVS2 Heart Lab Grown Diamond

ID • E/VVS2 • IGI LG826667973

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG826667973

Diamond specifications and retailer prices

From £143 GBP
$192 USD
As of October 30, 2026
Save £728 GBP (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £872 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

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 LG826667973 or 826667973. Listed at 18 retailers as of October 30, 2026, with prices from £143 to £872, a £728 spread on the same certified stone. Reve Diamonds lists it at £872. 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826667973
Dimensions7.47 × 6.49 × 4.31 mm
L/W Ratio1.15
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
7.47 mm6.49 mm1.23 ctE / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826667973
Side View
Table 62.0%Crown 36.4°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 57.7%

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: £361 GBP|Low: £143 GBP|High: £872 GBP|Avg: £459 GBP|+0.2%
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
Reve Diamonds
October 30, 2026
Retailer 8£143 GBP
Retailer 13£178 GBP
Retailer 9£184 GBP
Retailer 2£301 GBP
Retailer 10£311 GBP
Retailer 11£323 GBP
Retailer 1£361 GBP
Retailer 7£387 GBP
Retailer 3£428 GBP
Retailer 4£455 GBP
Retailer 5£564 GBP
Retailer 15£598 GBP
Retailer 12£611 GBP
Retailer 6£649 GBP
Retailer 14£825 GBP
Reve Diamonds£872 GBP

43 data points across 16 retailers

18 retailers£143 GBP to £872 GBP

A
Cheapest Retailer
-
£143 GBP
$192 USD
A
Retailer 2
-
£164 GBP
$220 USD
View
A
Retailer 3
-
£175 GBP
$235 USD
View
A
Retailer 4
-
£178 GBP
$238 USD
View
A
Retailer 5
-
£184 GBP
$247 USD
View
Final sale: no returns
A
Retailer 6
-
£301 GBP
ZAR 6,521 ZAR
View
A
Retailer 7
-
£311 GBP
$417 USD
View
A
Retailer 8
-
£323 GBP
View
B+
Retailer 9
-
£361 GBP
$484 USD
View
B+
Retailer 10
-
£387 GBP
A$798 AUD
View
B+
Retailer 11
-
£428 GBP
A$882 AUD
View
B+
Retailer 12
-
£455 GBP
$609 USD
View
B+
Retailer 13
-
£564 GBP
$756 USD
View
B+
Retailer 14
-
£598 GBP
A$1,232 AUD
View
B+
Retailer 15
-
£611 GBP
$819 USD
View
B
Retailer 16
-
£649 GBP
$870 USD
View
B
Retailer 17
-
£825 GBP
View
Most Expensive
B
Reve Diamonds
D776CEE74 · Oct 30
£872 GBP
$1,168 USD
View
17 more retailers have this diamond
Prices start from £143 GBPSave up to £728 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
£143 GBP