Heart|Lab Grown|IGI

1.05ct I VS1 Heart Lab Grown Diamond

EX • I/VS1 • IGI LG846648103

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG846648103

Diamond specifications and retailer prices

From €317 EUR
$355 USD
As of November 1, 2026
Save €362 EUR (53%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €923 EUR at Taylor and Hart · As of October 26, 2026
View at Taylor and Hart

About this 1.05ct lab-grown heart diamond

This 1.05ct lab-grown heart sits in the classic one-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG846648103 or 846648103. Listed at 6 retailers as of November 1, 2026, with a 114% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846648103
Dimensions6.37 × 7.08 × 4.06 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
6.37 mm7.08 mm1.05 ctI / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846648103
Side View
Table 58.0%Crown 33.7°Girdle: MED-THKPavilion 38.9°Culet: NoneDepth 57.3%

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: Nov 1
Current: €678 EUR|Low: €288 EUR|High: €923 EUR|Avg: €530 EUR|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Taylor and Hart
November 2, 2026
Retailer 2€317 EUR
Retailer 4€367 EUR
Retailer 3€544 EUR
Retailer 5€547 EUR
Retailer 1€678 EUR
Taylor and Hart€923 EUR

7 data points across 6 retailers

6 retailers€317 EUR to €678 EUR

A
Cheapest Retailer
-
€317 EUR
$355 USD
B+
Retailer 2
-
€367 EUR
$412 USD
View
B+
Retailer 3
-
€544 EUR
$610 USD
View
Retailer 4
-
€547 EUR
$613 USD
View
Price last confirmed 7 days ago
B
Retailer 5
-
€678 EUR
$761 USD
View
Most Expensive
Taylor and Hart
1U5K92H · Oct 26
€923 EUR
$1,036 USD
View
Price last confirmed 7 days ago
5 more retailers have this diamond
Prices start from €317 EURSave up to €362 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
1.05ct Heart
€317 EUR