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Oval|Lab Grown|IGI

1.51ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG844685105

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG844685105

Diamond specifications and retailer prices

From $568 NZD
As of November 6, 2026
Save $1,388 NZD (71%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,956 NZD at MOH London · As of November 5, 2026
View at MOH London

About this 1.51ct lab-grown oval diamond

This 1.51ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG844685105 or 844685105. Listed at 7 retailers as of November 5, 2026, with prices from $568 to $1,956, a $1,388 spread on the same certified stone. MOH London lists it at $1,956. 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

1.51
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844685105
Dimensions9.15 × 6.37 × 4.00 mm
L/W Ratio1.44
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.15 mm6.37 mm1.51 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844685105
Side View
Table 57.0%Crown 35.2°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,956 NZD|Low: $568 NZD|High: $1,973 NZD|Avg: $1,208 NZD|-0.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 6$568 NZD
Retailer 2$750 NZD
Retailer 3$812 NZD
Retailer 5$1,445 NZD
Retailer 4$1,660 NZD
MOH London$1,956 NZD

20 data points across 6 retailers

7 retailers$568 NZD to $1,956 NZD

B+
Cheapest Retailer
-
$568 NZD
A
Retailer 2
-
$750 NZD
View
A
Retailer 3
-
$812 NZD
View
B+
Retailer 4
-
$1,445 NZD
View
Retailer 5
-
$1,660 NZD
View
Price last confirmed 16 days ago
B
Retailer 6
-
$1,948 NZD
View
Most Expensive
B
MOH London
LG844685105 · Nov 5
$1,956 NZD
£854 GBP
View
6 more retailers have this diamond
Prices start from $568 NZDSave up to $1,388 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
1.51ct Oval
$568 NZD