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Heart|Lab Grown|IGI

1.23ct E VVS2 Heart Lab Grown Diamond

ID • E/VVS2 • IGI LG836642977

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836642977

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)
17 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 LG836642977 or 836642977. Listed at 17 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 angle36.2°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836642977
Dimensions7.33 × 6.47 × 4.45 mm
L/W Ratio1.13
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
7.33 mm6.47 mm1.23 ctE / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836642977
Side View
Table 64.0%Crown 36.2°Girdle: STK-VTKPavilion 41°Culet: NoneDepth 60.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £361 GBP|Low: £143 GBP|High: £893 GBP|Avg: £465 GBP|-0.8%
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
Reve Diamonds
October 30, 2026
Retailer 6£143 GBP
Retailer 10£178 GBP
Retailer 4£182 GBP
Retailer 5£183 GBP
Retailer 13£301 GBP
Retailer 7£311 GBP
Retailer 8£323 GBP
Retailer 1£361 GBP
Retailer 2£428 GBP
Retailer 3£566 GBP
Retailer 12£598 GBP
Retailer 9£611 GBP
Retailer 11£825 GBP
Reve Diamonds£872 GBP

41 data points across 14 retailers

17 retailers£143 GBP to £872 GBP

Retailer 1
-
£142 GBP
$190 USD
Price last confirmed 28 days ago
A
Retailer 2
-
£143 GBP
$192 USD
View
Retailer 3
-
£174 GBP
$233 USD
View
Price last confirmed 32 days ago
A
Retailer 4
-
£178 GBP
$238 USD
View
A
Retailer 5
-
£182 GBP
$244 USD
View
Final sale: no returns
Retailer 6
-
£183 GBP
$245 USD
View
Price last confirmed 27 days ago
A
Retailer 7
-
£301 GBP
ZAR 6,521 ZAR
View
A
Retailer 8
-
£311 GBP
$417 USD
View
A
Retailer 9
-
£323 GBP
View
A
Retailer 10
-
£361 GBP
$484 USD
View
B+
Retailer 11
-
£428 GBP
A$882 AUD
View
B
Retailer 12
-
£566 GBP
$758 USD
View
Retailer 13
-
£588 GBP
$788 USD
View
Price last confirmed 30 days ago
B+
Retailer 14
-
£598 GBP
A$1,232 AUD
View
B+
Retailer 15
-
£611 GBP
$819 USD
View
B
Retailer 16
-
£825 GBP
View
Most Expensive
B
Reve Diamonds
34DA65440 · Oct 30
£872 GBP
$1,168 USD
View
16 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