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Oval|Lab Grown|IGI

1.51ct E SI2 Oval Lab Grown Diamond

VG • E/SI2 • IGI LG851602943

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG851602943

Diamond specifications and retailer prices

From $329 NZD
$185 USD
As of October 28, 2026
Save $1,385 NZD (81%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,714 NZD at MOH London · As of October 26, 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 SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI LG851602943 or 851602943. Listed at 6 retailers as of October 26, 2026, with prices from $329 to $1,714, a $1,385 spread on the same certified stone. MOH London lists it at $1,714. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
E
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851602943
Dimensions9.44 × 6.49 × 3.94 mm
L/W Ratio1.45
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.44 mm6.49 mm1.51 ctE / SI2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851602943
Side View
Table 63.0%Crown 35.4°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 60.7%

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: Oct 28
Current: $1,714 NZD|Low: $329 NZD|High: $1,714 NZD|Avg: $841 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 6$329 NZD
Retailer 5$507 NZD
Retailer 2$647 NZD
Retailer 4$693 NZD
Retailer 3$1,243 NZD
MOH London$1,714 NZD

5 data points across 6 retailers

6 retailers$329 NZD to $1,714 NZD

A
Cheapest Retailer
-
$329 NZD
$185 USD
Final sale: no returns
B+
Retailer 2
-
$507 NZD
$285 USD
View
B+
Retailer 3
-
$647 NZD
£286 GBP
View
B+
Retailer 4
-
$693 NZD
$389 USD
View
B
Retailer 5
-
$1,243 NZD
$698 USD
View
Most Expensive
B
MOH London
LG851602943 · Oct 26
$1,714 NZD
£758 GBP
View
5 more retailers have this diamond
Prices start from $329 NZDSave up to $1,385 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
$329 NZD