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0.55ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG783602910

Shape and cutting style on the report: Round brilliant

Certificate IGI LG783602910

Diamond specifications and retailer prices

From $162 NZD
As of November 5, 2026
Save $1,316 NZD (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,478 NZD at MOH London · As of November 4, 2026
View at MOH London

About this 0.55ct lab-grown round diamond

This 0.55ct lab-grown round sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG783602910 or 783602910. Listed at 11 retailers as of November 4, 2026, with prices from $162 to $1,478, a $1,316 spread on the same certified stone. MOH London lists it at $1,478. 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

0.55
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783602910
Dimensions5.33 × 5.29 × 3.21 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
5.33 mm5.29 mm0.55 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783602910
Side View
Table 59.0%Crown 33.3°Girdle: MediumPavilion 41.1°Culet: NoneDepth 60.5%

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 5
Current: $1,478 NZD|Low: $158 NZD|High: $1,527 NZD|Avg: $511 NZD|-2.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 6$162 NZD
Retailer 11$189 NZD
Retailer 8$215 NZD
Retailer 3$219 NZD
Retailer 4$285 NZD
Retailer 2$372 NZD
Retailer 10$422 NZD
Retailer 9$648 NZD
Retailer 5$722 NZD
Retailer 7$751 NZD
MOH London$1,478 NZD

43 data points across 11 retailers

11 retailers$162 NZD to $1,478 NZD

A
Cheapest Retailer
-
$162 NZD
A
Retailer 2
-
$189 NZD
View
A
Retailer 3
-
$215 NZD
View
Retailer 4
-
$219 NZD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$285 NZD
View
A
Retailer 6
-
$372 NZD
View
A
Retailer 7
-
$422 NZD
View
B+
Retailer 8
-
$648 NZD
View
B+
Retailer 9
-
$722 NZD
View
B+
Retailer 10
-
$751 NZD
View
Most Expensive
B
MOH London
LG783602910 · Nov 4
$1,478 NZD
£654 GBP
View
10 more retailers have this diamond
Prices start from $162 NZDSave up to $1,316 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
0.55ct Round
$162 NZD