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Round|Lab Grown|IGI

1.28ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG781609675

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781609675

Diamond specifications and retailer prices

From €189 EUR
As of November 5, 2026
Save €746 EUR (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €935 EUR at MOH London · As of November 5, 2026
View at MOH London

About this 1.28ct lab-grown round diamond

This 1.28ct 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 LG781609675 or 781609675. Listed at 18 retailers as of November 5, 2026, with prices from €189 to €935, a €746 spread on the same certified stone. MOH London lists it at €935. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781609675
Dimensions6.91 × 6.94 × 4.29 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.91 mm6.94 mm1.28 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781609675
Side View
Table 59.0%Crown 35.4°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.0%

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 5
Current: €935 EUR|Low: €181 EUR|High: €948 EUR|Avg: €479 EUR|-0.2%
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€189 EUR
Retailer 4€233 EUR
Retailer 13€233 EUR
Retailer 14€402 EUR
Retailer 11€403 EUR
Retailer 6€405 EUR
Retailer 10€427 EUR
Retailer 3€453 EUR
Retailer 7€463 EUR
Retailer 2€570 EUR
Retailer 9€571 EUR
Retailer 8€754 EUR
Retailer 5€849 EUR
MOH London€935 EUR

29 data points across 14 retailers

18 retailers€189 EUR to €935 EUR

A
Cheapest Retailer
-
€189 EUR
A
Retailer 2
-
€218 EUR
View
Retailer 3
-
€233 EUR
View
Price last confirmed 11 days ago
A
Retailer 4
-
€233 EUR
View
A
Retailer 5
-
€402 EUR
View
A
Retailer 6
-
€403 EUR
View
A
Retailer 7
-
€405 EUR
View
A
Retailer 8
-
€427 EUR
View
A
Retailer 9
-
€453 EUR
View
A
Retailer 10
-
€463 EUR
View
B+
Retailer 11
-
€570 EUR
View
A
Retailer 12
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€571 EUR
View
B+
Retailer 13
-
€612 EUR
View
B+
Retailer 14
-
€751 EUR
View
B+
Retailer 15
-
€754 EUR
View
B
Retailer 16
-
€798 EUR
View
B+
Retailer 17
-
€866 EUR
View
Most Expensive
B+
MOH London
LG781609675 · Nov 5
€935 EUR
£826 GBP
View
17 more retailers have this diamond
Prices start from €189 EURSave up to €746 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
1.28ct Round
€189 EUR