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1.30ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG801690010

Shape and cutting style on the report: Round brilliant

Certificate IGI LG801690010

Diamond specifications and retailer prices

From $322 NZD
As of November 1, 2026
Save $1,546 NZD (83%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,868 NZD at MOH London · As of November 2, 2026
View at MOH London

About this 1.3ct lab-grown round diamond

This 1.3ct 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 top-tier cut grade and certified by IGI LG801690010 or 801690010. Listed at 8 retailers as of November 1, 2026, with prices from $322 to $1,868, a $1,546 spread on the same certified stone. MOH London lists it at $1,868. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.30
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801690010
Dimensions7.02 × 7.06 × 4.33 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.02 mm7.06 mm1.30 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801690010
Side View
Table 56.0%Crown 34.4°Girdle: MediumPavilion 41°Culet: NoneDepth 61.5%

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 1
Current: $1,868 NZD|Low: $706 NZD|High: $1,868 NZD|Avg: $949 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 4, 2026
Retailer 7$706 NZD
Retailer 5$717 NZD
Retailer 6$752 NZD
Retailer 4$777 NZD
Retailer 2$916 NZD
Retailer 3$1,357 NZD
MOH London$1,868 NZD

3 data points across 7 retailers

8 retailers$322 NZD to $1,868 NZD

A
Cheapest Retailer
-
$322 NZD
A
Retailer 2
-
$706 NZD
View
A
Retailer 3
-
$717 NZD
View
A
Retailer 4
-
$752 NZD
View
A
Retailer 5
-
$777 NZD
View
B+
Retailer 6
-
$916 NZD
View
B
Retailer 7
-
$1,357 NZD
View
Most Expensive
B
MOH London
LG801690010 · Nov 2
$1,868 NZD
£827 GBP
View
7 more retailers have this diamond
Prices start from $322 NZDSave up to $1,546 NZD

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
1.30ct Round
$322 NZD