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Oval|Lab Grown|IGI

1.59ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG655428071

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG655428071

Diamond specifications and retailer prices

From $345 NZD
$194 USD
As of October 29, 2026
Save $1,672 NZD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,017 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 1.59ct lab-grown oval diamond

This 1.59ct 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 LG655428071 or 655428071. Listed at 11 retailers as of October 29, 2026, with prices from $345 to $2,017, a $1,672 spread on the same certified stone. MOH London lists it at $2,017. 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

1.59
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG655428071
Dimensions9.44 × 6.63 × 4.09 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.44 mm6.63 mm1.59 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG655428071
Side View
Table 60.0%Crown 34.4°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.7%

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: Oct 29
Current: $2,017 NZD|Low: $345 NZD|High: $3,757 NZD|Avg: $1,220 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 30, 2026
Retailer 9$345 NZD
Retailer 3$401 NZD
Retailer 10$429 NZD
Retailer 13$479 NZD
Retailer 2$551 NZD
Retailer 14$746 NZD
Retailer 8$783 NZD
Retailer 4$866 NZD
Retailer 12$878 NZD
Retailer 11$894 NZD
Retailer 15$1,380 NZD
Retailer 7$1,792 NZD
Retailer 5$1,988 NZD
MOH London$2,017 NZD
Retailer 6$3,757 NZD

4 data points across 15 retailers

11 retailers$345 NZD to $2,017 NZD

A
Cheapest Retailer
-
$345 NZD
$194 USD
A
Retailer 2
-
$401 NZD
$225 USD
View
A
Retailer 3
-
$429 NZD
$241 USD
View
A
Retailer 4
-
$479 NZD
HK$2,100 HKD
View
A
Retailer 5
-
$551 NZD
£244 GBP
View
B+
Retailer 6
-
$746 NZD
$419 USD
View
A
Retailer 7
-
$783 NZD
£346 GBP
View
A
Retailer 8
-
$878 NZD
$493 USD
View
A
Retailer 9
-
$894 NZD
$502 USD
View
B+
Retailer 10
-
$1,380 NZD
$775 USD
View
Most Expensive
B
MOH London
LG655428071 · Oct 29
$2,017 NZD
£892 GBP
View
10 more retailers have this diamond
Prices start from $345 NZDSave up to $1,672 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
1.59ct Oval
$345 NZD