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Oval|Lab Grown|IGI

1.55ct F SI1 Oval Lab Grown Diamond

VG • F/SI1 • IGI LG839682972

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG839682972

Diamond specifications and retailer prices

From $427 AUD
$299 USD
As of November 1, 2026
Save $1,690 AUD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,117 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 F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG839682972 or 839682972. Listed at 10 retailers as of November 1, 2026, with prices from $427 to $2,117, a $1,690 spread on the same certified stone. MOH London lists it at $2,117. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.55
Carat
F
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839682972
Dimensions9.43 × 6.68 × 3.81 mm
L/W Ratio1.41
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.43 mm6.68 mm1.55 ctF / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839682972
Side View
Table 64.0%Crown 33.8°Girdle: MED-STKPavilion 38.4°Culet: NoneDepth 57.0%

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: $2,117 AUD|Low: $528 AUD|High: $2,127 AUD|Avg: $1,047 AUD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 4$528 AUD
Retailer 2$676 AUD
Retailer 7$739 AUD
Retailer 6$749 AUD
Retailer 8$865 AUD
Retailer 3$929 AUD
Retailer 5$1,622 AUD
MOH London$2,117 AUD

13 data points across 8 retailers

10 retailers$427 AUD to $2,117 AUD

A
Cheapest Retailer
-
$427 AUD
$299 USD
Retailer 2
-
$528 AUD
$370 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$528 AUD
$370 USD
View
A
Retailer 4
-
$676 AUD
£373 GBP
View
B+
Retailer 5
-
$739 AUD
$518 USD
View
B+
Retailer 6
-
$749 AUD
$525 USD
View
B+
Retailer 7
-
$865 AUD
$606 USD
View
B+
Retailer 8
-
$929 AUD
£513 GBP
View
B
Retailer 9
-
$1,622 AUD
$1,137 USD
View
Most Expensive
B
MOH London
LG839682972 · Nov 1
$2,117 AUD
£1,168 GBP
View
9 more retailers have this diamond
Prices start from $427 AUDSave up to $1,690 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
$427 AUD