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1.30ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG757504789

Shape and cutting style on the report: Round brilliant

Certificate IGI LG757504789

Diamond specifications and retailer prices

From $754 NZD
As of November 6, 2026
Save $1,277 NZD (63%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $2,031 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG757504789 or 757504789. Listed at 7 retailers as of November 2, 2026, with prices from $754 to $2,031, a $1,277 spread on the same certified stone. MOH London lists it at $2,031. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG757504789
Dimensions7.00 × 6.96 × 4.33 mm
L/W Ratio1.01
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
7.00 mm6.96 mm1.30 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG757504789
Side View
Table 59.0%Crown 33.6°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $2,031 NZD|Low: $704 NZD|High: $2,033 NZD|Avg: $1,016 NZD|+1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 6$726 NZD
Retailer 5$754 NZD
Retailer 3$774 NZD
Retailer 2$779 NZD
Retailer 4$877 NZD
Retailer 7$987 NZD
MOH London$2,031 NZD

44 data points across 7 retailers

7 retailers$754 NZD to $2,031 NZD

Retailer 1
-
$726 NZD
Price last confirmed 8 days ago
A
Retailer 2
-
$754 NZD
View
A
Retailer 3
-
$774 NZD
View
A
Retailer 4
-
$779 NZD
View
B+
Retailer 5
-
$877 NZD
View
B+
Retailer 6
-
$987 NZD
View
Most Expensive
B
MOH London
LG757504789 · Nov 2
$2,031 NZD
£899 GBP
View
6 more retailers have this diamond
Prices start from $754 NZDSave up to $1,277 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
$754 NZD