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Round|Lab Grown|IGI

1.00ct E I1 Round Lab Grown Diamond

ID • E/I1 • IGI LG780676130

Shape and cutting style on the report: Round brilliant

Certificate IGI LG780676130

Diamond specifications and retailer prices

From $376 SGD
€280 EUR
As of October 29, 2026
Save $1,404 SGD (79%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,779 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1ct lab-grown round diamond

This 1ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by IGI LG780676130 or 780676130. Listed at 4 retailers as of October 29, 2026, with prices from $376 to $1,779, a $1,404 spread on the same certified stone. MOH London lists it at $1,779. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
E
Colour
I1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780676130
Dimensions6.42 × 6.45 × 3.90 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
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
6.42 mm6.45 mm1.00 ctE / I1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780676130
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.6%

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: Oct 29
Current: $1,779 SGD|Low: $368 SGD|High: $1,791 SGD|Avg: $842 SGD|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
October 29, 2026
Retailer 2$376 SGD
Retailer 3$400 SGD
Retailer 4$623 SGD
MOH London$1,779 SGD

12 data points across 4 retailers

4 retailers$376 SGD to $1,779 SGD

A
Cheapest Retailer
-
$376 SGD
€280 EUR
A
Retailer 2
-
$400 SGD
$313 USD
View
B+
Retailer 3
-
$623 SGD
$487 USD
View
Most Expensive
B
MOH London
LG780676130 · Oct 29
$1,779 SGD
£1,096 GBP
View
3 more retailers have this diamond
Prices start from $376 SGDSave up to $1,404 SGD

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
1.00ct Round
$376 SGD