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Round|Lab Grown|IGI

1.28ct E SI1 Round Lab Grown Diamond

VG • E/SI1 • IGI LG763605132

Shape and cutting style on the report: Round brilliant

Certificate IGI LG763605132

Diamond specifications and retailer prices

From €151 EUR
As of November 1, 2026
Save €727 EUR (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €878 EUR at MOH London · As of November 2, 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 E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG763605132 or 763605132. Listed at 12 retailers as of November 1, 2026, with prices from €151 to €878, a €727 spread on the same certified stone. MOH London lists it at €878. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.28
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.9°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG763605132
Dimensions7.04 × 7.02 × 4.16 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.04 mm7.02 mm1.28 ctE / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG763605132
Side View
Table 58.0%Crown 32.9°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 59.2%

Caratlytics Score

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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 1
Current: €878 EUR|Low: €97 EUR|High: €904 EUR|Avg: €378 EUR|-2.9%
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
November 4, 2026
Retailer 5€97 EUR
Retailer 10€151 EUR
Retailer 11€169 EUR
Retailer 4€188 EUR
Retailer 7€322 EUR
Retailer 8€333 EUR
Retailer 13€336 EUR
Retailer 3€364 EUR
Retailer 12€413 EUR
Retailer 2€414 EUR
Retailer 6€492 EUR
Retailer 9€535 EUR
MOH London€878 EUR

34 data points across 13 retailers

12 retailers€151 EUR to €878 EUR

A
Cheapest Retailer
-
€151 EUR
A
Retailer 2
-
€169 EUR
View
Final sale: no returns
Retailer 3
-
€188 EUR
View
Price last confirmed 12 days ago
A
Retailer 4
-
€322 EUR
View
B+
Retailer 5
-
€333 EUR
View
B+
Retailer 6
-
€336 EUR
View
B+
Retailer 7
-
€364 EUR
View
B+
Retailer 8
-
€413 EUR
View
B+
Retailer 9
-
€414 EUR
View
B
Retailer 10
-
€492 EUR
View
B
Retailer 11
-
€535 EUR
View
Most Expensive
B
MOH London
LG763605132 · Nov 2
€878 EUR
£776 GBP
View
11 more retailers have this diamond
Prices start from €151 EURSave up to €727 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
€151 EUR