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Round|Lab Grown|IGI

1.29ct I VS1 Round Lab Grown Diamond

ID • I/VS1 • IGI LG653409257

Shape and cutting style on the report: Round brilliant

Certificate IGI LG653409257

Diamond specifications and retailer prices

From €321 EUR
$359 USD
As of November 1, 2026
Save €593 EUR (65%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €914 EUR at MOH London · As of November 1, 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 I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG653409257 or 653409257. Listed at 7 retailers as of November 1, 2026, with prices from €321 to €914, a €593 spread on the same certified stone. MOH London lists it at €914. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
I
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG653409257
Dimensions6.98 × 6.93 × 4.35 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.98 mm6.93 mm1.29 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG653409257
Side View
Table 58.0%Crown 35°Girdle: MediumPavilion 41.3°Culet: NoneDepth 62.5%

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: €914 EUR|Low: €299 EUR|High: €924 EUR|Avg: €585 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 3€321 EUR
Retailer 4€404 EUR
Retailer 5€499 EUR
Retailer 2€604 EUR
Retailer 6€783 EUR
MOH London€914 EUR

14 data points across 6 retailers

7 retailers€321 EUR to €914 EUR

B+
Cheapest Retailer
-
€321 EUR
$359 USD
A
Retailer 2
-
€404 EUR
$451 USD
View
Retailer 3
-
€437 EUR
$488 USD
View
Price last confirmed 77 days ago
A
Retailer 4
-
€499 EUR
$558 USD
View
Retailer 5
-
€604 EUR
$675 USD
View
Price last confirmed 11 days ago
B+
Retailer 6
-
€783 EUR
$875 USD
View
Most Expensive
B+
MOH London
LG653409257 · Nov 1
€914 EUR
£804 GBP
View
6 more retailers have this diamond
Prices start from €321 EURSave up to €593 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
€321 EUR