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Oval|Lab Grown|IGI

1.50ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG839682978

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG839682978

Diamond specifications and retailer prices

From $539 NZD
$303 USD
As of October 29, 2026
Save $2,173 NZD (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,712 NZD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.5ct lab-grown oval diamond

This 1.5ct 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 LG839682978 or 839682978. Listed at 12 retailers as of October 29, 2026, with prices from $539 to $2,712, a $2,173 spread on the same certified stone. Reve Diamonds lists it at $2,712. 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

1.50
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839682978
Dimensions9.50 × 6.35 × 4.00 mm
L/W Ratio1.50
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.50 mm6.35 mm1.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839682978
Side View
Table 61.0%Crown 33.1°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 63.0%

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 29
Current: $860 NZD|Low: $604 NZD|High: $2,712 NZD|Avg: $1,426 NZD|+0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Reve Diamonds
October 30, 2026
Retailer 8$604 NZD
Retailer 7$669 NZD
Retailer 1$860 NZD
Retailer 9$865 NZD
Retailer 6$944 NZD
Retailer 2$1,095 NZD
Retailer 3$1,190 NZD
Retailer 5$2,058 NZD
Retailer 10$2,237 NZD
Retailer 4$2,698 NZD
Reve Diamonds$2,712 NZD

10 data points across 11 retailers

12 retailers$539 NZD to $2,712 NZD

A
Cheapest Retailer
-
$539 NZD
$303 USD
A
Retailer 2
-
$604 NZD
$339 USD
View
Final sale: no returns
A
Retailer 3
-
$669 NZD
$376 USD
View
A
Retailer 4
-
$860 NZD
£380 GBP
View
A
Retailer 5
-
$865 NZD
$486 USD
View
B+
Retailer 6
-
$944 NZD
$530 USD
View
B+
Retailer 7
-
$1,095 NZD
$615 USD
View
B+
Retailer 8
-
$1,190 NZD
£526 GBP
View
B
Retailer 9
-
$2,058 NZD
$1,156 USD
View
B
Retailer 10
-
$2,237 NZD
$1,256 USD
View
B
Retailer 11
-
$2,698 NZD
£1,193 GBP
View
Most Expensive
B
Reve Diamonds
7EEE8A180 · Oct 30
$2,712 NZD
$1,523 USD
View
11 more retailers have this diamond
Prices start from $539 NZDSave up to $2,173 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
1.50ct Oval
$539 NZD