Oval|Lab Grown|IGI

1.56ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG496121294

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG496121294

Diamond specifications and retailer prices

From $1,224 AUD
$860 USD
As of October 31, 2026
Save $5,921 AUD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,145 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 1.56ct lab-grown oval diamond

This 1.56ct lab-grown oval sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG496121294 or 496121294. Listed at 11 retailers as of October 31, 2026, with prices from $1,224 to $7,145, a $5,921 spread on the same certified stone. MOH London lists it at $7,145. 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

1.56
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG496121294
Dimensions9.35 × 6.59 × 4.03 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.35 mm6.59 mm1.56 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG496121294
Side View
Table 57.0%Crown 33.8°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.2%

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 31
Current: $7,145 AUD|Low: $1,224 AUD|High: $7,230 AUD|Avg: $3,110 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
November 2, 2026
Retailer 5$1,224 AUD
Retailer 6$1,918 AUD
Retailer 10$2,086 AUD
Retailer 7$2,224 AUD
Retailer 11$2,224 AUD
Retailer 12$2,470 AUD
Retailer 4$3,054 AUD
Retailer 2$3,175 AUD
Retailer 8$3,513 AUD
Retailer 3$4,144 AUD
Retailer 9$4,168 AUD
MOH London$7,145 AUD

37 data points across 12 retailers

11 retailers$1,224 AUD to $7,145 AUD

A
Cheapest Retailer
-
$1,224 AUD
$860 USD
A
Retailer 2
-
$1,918 AUD
$1,347 USD
View
B+
Retailer 3
-
$2,086 AUD
$1,465 USD
View
B+
Retailer 4
-
$2,224 AUD
$1,562 USD
View
Retailer 5
-
$2,224 AUD
$1,562 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
$2,470 AUD
$1,735 USD
View
B+
Retailer 7
-
$3,175 AUD
£1,756 GBP
View
B
Retailer 8
-
$3,513 AUD
$2,468 USD
View
B
Retailer 9
-
$4,144 AUD
$2,911 USD
View
B
Retailer 10
-
$4,168 AUD
$2,928 USD
View
Most Expensive
B
MOH London
LG496121294 · Nov 1
$7,145 AUD
£3,952 GBP
View
10 more retailers have this diamond
Prices start from $1,224 AUDSave up to $5,921 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
1.56ct Oval
$1,224 AUD