CaratHunter
Plans
Heart|Lab Grown|IGI

1.23ct D VVS1 Heart Lab Grown Diamond

ID • D/VVS1 • IGI LG837614919

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG837614919

Diamond specifications and retailer prices

From €206 EUR
$230 USD
As of October 30, 2026
Save €1,137 EUR (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €1,343 EUR at Michael Trio · As of November 1, 2026
View at Michael Trio

About this 1.23ct lab-grown heart diamond

This 1.23ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG837614919 or 837614919. Listed at 19 retailers as of October 30, 2026, with prices from €206 to €1,343, a €1,137 spread on the same certified stone. Michael Trio lists it at €1,343. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837614919
Dimensions6.77 × 7.53 × 4.30 mm
L/W Ratio1.11
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.77 mm7.53 mm1.23 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837614919
Side View
Table 60.0%Crown 33.8°Girdle: THN-MEDPavilion 40°Culet: NoneDepth 57.1%

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: €1,343 EUR|Low: €206 EUR|High: €1,353 EUR|Avg: €568 EUR|-0.8%
Michael Trio
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
Retailer 19
November 1, 2026
Retailer 6€206 EUR
Retailer 4€230 EUR
Retailer 2€238 EUR
Retailer 15€255 EUR
Retailer 10€257 EUR
Retailer 14€291 EUR
Retailer 13€342 EUR
Retailer 12€440 EUR
Retailer 17€476 EUR
Retailer 18€538 EUR
Retailer 8€542 EUR
Retailer 9€627 EUR
Retailer 16€819 EUR
Retailer 5€825 EUR
Retailer 3€866 EUR
Retailer 19€882 EUR
Retailer 7€973 EUR
Retailer 11€1,030 EUR
Michael Trio€1,343 EUR

21 data points across 19 retailers

19 retailers€206 EUR to €1,343 EUR

A
Cheapest Retailer
-
€206 EUR
$230 USD
A
Retailer 2
-
€230 EUR
$257 USD
View
Final sale: no returns
A
Retailer 3
-
€238 EUR
$266 USD
View
A
Retailer 4
-
€255 EUR
$285 USD
View
Retailer 5
-
€257 EUR
$287 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
€291 EUR
£256 GBP
View
A
Retailer 7
-
€342 EUR
$382 USD
View
A
Retailer 8
-
€440 EUR
ZAR 7,938 ZAR
View
B+
Retailer 9
-
€476 EUR
£419 GBP
View
B+
Retailer 10
-
€538 EUR
$601 USD
View
B+
Retailer 11
-
€542 EUR
$606 USD
View
B+
Retailer 12
-
€627 EUR
A$1,077 AUD
View
B+
Retailer 13
-
€819 EUR
$915 USD
View
B
Retailer 14
-
€825 EUR
$922 USD
View
B+
Retailer 15
-
€866 EUR
$967 USD
View
B+
Retailer 16
-
€882 EUR
$985 USD
View
B
Retailer 17
-
€973 EUR
A$1,672 AUD
View
B
Retailer 18
-
€1,030 EUR
£906 GBP
View
Most Expensive
B
Michael Trio
1766853901 · Nov 1
€1,343 EUR
SGD 2,027 SGD
View
18 more retailers have this diamond
Prices start from €206 EURSave up to €1,137 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
€206 EUR