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Oval|Lab Grown|IGI

1.55ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG849656340

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG849656340

Diamond specifications and retailer prices

From $473 AUD
$332 USD
As of November 1, 2026
Save $1,169 AUD (71%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,642 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 1.55ct lab-grown oval diamond

This 1.55ct lab-grown oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG849656340 or 849656340. Listed at 5 retailers as of November 1, 2026, with prices from $473 to $1,642, a $1,169 spread on the same certified stone. MOH London lists it at $1,642. 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

1.55
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG849656340
Dimensions9.10 × 6.38 × 4.10 mm
L/W Ratio1.43
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.10 mm6.38 mm1.55 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG849656340
Side View
Table 61.0%Crown 39.1°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 64.3%

Caratlytics Score

How it works →
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: Nov 1
Current: $1,642 AUD|Low: $473 AUD|High: $1,642 AUD|Avg: $831 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 5$473 AUD
Retailer 2$637 AUD
Retailer 3$730 AUD
Retailer 4$1,205 AUD
MOH London$1,642 AUD

4 data points across 5 retailers

5 retailers$473 AUD to $1,642 AUD

B+
Cheapest Retailer
-
$473 AUD
$332 USD
A
Retailer 2
-
$637 AUD
£353 GBP
View
A
Retailer 3
-
$730 AUD
$513 USD
View
B+
Retailer 4
-
$1,205 AUD
$846 USD
View
Most Expensive
B
MOH London
LG849656340 · Nov 1
$1,642 AUD
£908 GBP
View
4 more retailers have this diamond
Prices start from $473 AUDSave up to $1,169 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
1.55ct Oval
$473 AUD