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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 €320 EUR
As of November 4, 2026
Save €586 EUR (65%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €906 EUR at MOH London · As of November 5, 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 4, 2026, with prices from €320 to €906, a €586 spread on the same certified stone. MOH London lists it at €906. 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
Colour
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: €906 EUR|Low: €298 EUR|High: €920 EUR|Avg: €579 EUR|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 3€320 EUR
Retailer 2€396 EUR
Retailer 4€402 EUR
Retailer 5€497 EUR
Retailer 6€780 EUR
MOH London€906 EUR

15 data points across 6 retailers

7 retailers€320 EUR to €906 EUR

B+
Cheapest Retailer
-
€320 EUR
A
Retailer 2
-
€396 EUR
View
A
Retailer 3
-
€402 EUR
View
A
Retailer 4
-
€497 EUR
View
Retailer 5
-
€601 EUR
View
Price last confirmed 15 days ago
B+
Retailer 6
-
€780 EUR
View
Most Expensive
B+
MOH London
LG653409257 · Nov 5
€906 EUR
£801 GBP
View
6 more retailers have this diamond
Prices start from €320 EURSave up to €586 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
€320 EUR