Round|Lab Grown|IGI

1.29ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG811646758

Shape and cutting style on the report: Round brilliant

Certificate IGI LG811646758

Diamond specifications and retailer prices

From €190 EUR
As of November 5, 2026
Save €683 EUR (78%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €948 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 1.29ct lab-grown round diamond

This 1.29ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG811646758 or 811646758. Listed at 18 retailers as of November 5, 2026, with a 360% 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

1.29
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811646758
Dimensions6.99 × 6.96 × 4.30 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.99 mm6.96 mm1.29 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811646758
Side View
Table 56.0%Crown 35.3°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.7%

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: Nov 5
Current: €948 EUR|Low: €190 EUR|High: €955 EUR|Avg: €541 EUR|+0.5%
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
November 5, 2026
Retailer 12€190 EUR
Retailer 13€235 EUR
Retailer 14€404 EUR
Retailer 11€406 EUR
Retailer 5€412 EUR
Retailer 9€428 EUR
Retailer 3€454 EUR
Retailer 7€463 EUR
Retailer 2€570 EUR
Retailer 10€576 EUR
Retailer 8€759 EUR
Retailer 6€804 EUR
Retailer 4€855 EUR
MOH London€948 EUR

32 data points across 14 retailers

18 retailers€190 EUR to €873 EUR

A
Cheapest Retailer
-
€190 EUR
A
Retailer 2
-
€220 EUR
View
Retailer 3
-
€235 EUR
View
Price last confirmed 11 days ago
A
Retailer 4
-
€235 EUR
View
A
Retailer 5
-
€404 EUR
View
A
Retailer 6
-
€406 EUR
View
A
Retailer 7
-
€412 EUR
View
A
Retailer 8
-
€428 EUR
View
A
Retailer 9
-
€454 EUR
View
A
Retailer 10
-
€463 EUR
View
A
Retailer 11
-
€570 EUR
View
A
Retailer 12
-
€576 EUR
View
B+
Retailer 13
-
€617 EUR
View
B+
Retailer 14
-
€756 EUR
View
B+
Retailer 15
-
€759 EUR
View
B+
Retailer 16
-
€804 EUR
View
B+
Retailer 17
-
€873 EUR
View
Most Expensive
MOH London
LG811646758 · Oct 29
€948 EUR
£838 GBP
View
Price last confirmed 7 days ago
17 more retailers have this diamond
Prices start from €190 EURSave up to €683 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
1.29ct Round
€190 EUR