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Heart|Lab Grown|IGI

1.23ct G VVS2 Heart Lab Grown Diamond

EX • G/VVS2 • IGI LG598394354

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG598394354

Diamond specifications and retailer prices

From €168 EUR
$188 USD
As of October 27, 2026
Save €803 EUR (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €970 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.23ct lab-grown heart diamond

This 1.23ct lab-grown heart sits in the classic one-carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG598394354 or 598394354. Listed at 19 retailers as of October 27, 2026, with prices from €168 to €970, a €803 spread on the same certified stone. MOH London lists it at €970. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
G
Color
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598394354
Dimensions6.83 × 7.32 × 4.33 mm
L/W Ratio1.07
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
6.83 mm7.32 mm1.23 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598394354
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 59.2%

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 27
Current: €970 EUR|Low: €167 EUR|High: €1,021 EUR|Avg: €448 EUR|-3.8%
MOH London
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
Retailer 17
Retailer 18
November 2, 2026
Retailer 4€168 EUR
Retailer 5€187 EUR
Retailer 18€194 EUR
Retailer 8€216 EUR
Retailer 10€216 EUR
Retailer 17€281 EUR
Retailer 13€358 EUR
Retailer 12€377 EUR
Retailer 2€382 EUR
Retailer 3€419 EUR
Retailer 16€428 EUR
Retailer 11€506 EUR
Retailer 14€525 EUR
Retailer 9€694 EUR
Retailer 15€696 EUR
Retailer 6€715 EUR
Retailer 7€722 EUR
MOH London€970 EUR

44 data points across 18 retailers

19 retailers€168 EUR to €970 EUR

A
Cheapest Retailer
-
€168 EUR
$188 USD
A
Retailer 2
-
€187 EUR
$210 USD
View
Final sale: no returns
A
Retailer 3
-
€194 EUR
$218 USD
View
Retailer 4
-
€216 EUR
$242 USD
View
Price last confirmed 7 days ago
Retailer 5
-
€216 EUR
$242 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
€281 EUR
$315 USD
View
A
Retailer 7
-
€358 EUR
ZAR 6,492 ZAR
View
A
Retailer 8
-
€377 EUR
£333 GBP
View
A
Retailer 9
-
€382 EUR
View
B+
Retailer 10
-
€419 EUR
$470 USD
View
B+
Retailer 11
-
€428 EUR
$480 USD
View
B+
Retailer 12
-
€506 EUR
A$873 AUD
View
B+
Retailer 13
-
€525 EUR
$589 USD
View
Retailer 14
-
€694 EUR
$778 USD
View
Price last confirmed 7 days ago
B
Retailer 15
-
€696 EUR
$781 USD
View
B
Retailer 16
-
€715 EUR
$802 USD
View
B
Retailer 17
-
€722 EUR
$810 USD
View
B
Retailer 18
-
€722 EUR
$810 USD
View
Most Expensive
B
MOH London
LG598394354 · Nov 1
€970 EUR
£857 GBP
View
18 more retailers have this diamond
Prices start from €168 EURSave up to €803 EUR

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
€168 EUR