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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 $276 AUD
$194 USD
As of October 29, 2026
Save $1,336 AUD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,612 AUD 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 $276 to $1,612, a $1,336 spread on the same certified stone. MOH London lists it at $1,612. 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

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: $1,612 AUD|Low: $276 AUD|High: $3,003 AUD|Avg: $975 AUD
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$276 AUD
Retailer 3$320 AUD
Retailer 10$343 AUD
Retailer 13$383 AUD
Retailer 2$440 AUD
Retailer 14$596 AUD
Retailer 8$626 AUD
Retailer 4$692 AUD
Retailer 12$702 AUD
Retailer 11$715 AUD
Retailer 15$1,103 AUD
Retailer 7$1,432 AUD
Retailer 5$1,589 AUD
MOH London$1,612 AUD
Retailer 6$3,003 AUD

4 data points across 15 retailers

11 retailers$276 AUD to $1,612 AUD

A
Cheapest Retailer
-
$276 AUD
$194 USD
A
Retailer 2
-
$320 AUD
$225 USD
View
A
Retailer 3
-
$343 AUD
$241 USD
View
A
Retailer 4
-
$383 AUD
HK$2,100 HKD
View
A
Retailer 5
-
$440 AUD
£244 GBP
View
B+
Retailer 6
-
$596 AUD
$419 USD
View
A
Retailer 7
-
$626 AUD
£346 GBP
View
A
Retailer 8
-
$702 AUD
$493 USD
View
A
Retailer 9
-
$715 AUD
$502 USD
View
B+
Retailer 10
-
$1,103 AUD
$775 USD
View
Most Expensive
B
MOH London
LG655428071 · Oct 29
$1,612 AUD
£892 GBP
View
10 more retailers have this diamond
Prices start from $276 AUDSave up to $1,336 AUD

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
$276 AUD