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Oval|Lab Grown|IGI

1.55ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG445037533

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445037533

Diamond specifications and retailer prices

From $1,210 AUD
$850 USD
As of October 31, 2026
Save $5,890 AUD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,100 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445037533 or 445037533. Listed at 11 retailers as of October 31, 2026, with prices from $1,210 to $7,100, a $5,890 spread on the same certified stone. MOH London lists it at $7,100. 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
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.4°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445037533
Dimensions8.93 × 6.51 × 4.15 mm
L/W Ratio1.37
Girdle conditionFaceted
Culet sizePointed
Top View
8.93 mm6.51 mm1.55 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG445037533
Side View
Table 60.5%Crown 36.4°Girdle: STK-THKPavilion 41.3°Culet: NoneDepth 63.7%

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 31
Current: $7,100 AUD|Low: $1,210 AUD|High: $7,194 AUD|Avg: $3,334 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 1, 2026
Retailer 5$1,210 AUD
Retailer 2$1,905 AUD
Retailer 9$2,073 AUD
Retailer 10$2,133 AUD
Retailer 6$2,209 AUD
Retailer 11$2,456 AUD
Retailer 3$3,037 AUD
Retailer 7$3,492 AUD
Retailer 12$4,118 AUD
Retailer 8$4,141 AUD
Retailer 4$6,326 AUD
MOH London$7,100 AUD

16 data points across 12 retailers

11 retailers$1,210 AUD to $7,100 AUD

A
Cheapest Retailer
-
$1,210 AUD
$850 USD
B+
Retailer 2
-
$1,905 AUD
$1,338 USD
View
B+
Retailer 3
-
$2,073 AUD
$1,456 USD
View
B+
Retailer 4
-
$2,133 AUD
$1,498 USD
View
Final sale: no returns
Retailer 5
-
$2,209 AUD
$1,552 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
$2,209 AUD
$1,552 USD
View
B+
Retailer 7
-
$2,456 AUD
$1,725 USD
View
B
Retailer 8
-
$3,492 AUD
$2,453 USD
View
B
Retailer 9
-
$4,118 AUD
$2,893 USD
View
B
Retailer 10
-
$4,141 AUD
$2,909 USD
View
Most Expensive
B
MOH London
LG445037533 · Nov 1
$7,100 AUD
£3,927 GBP
View
10 more retailers have this diamond
Prices start from $1,210 AUDSave up to $5,890 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
$1,210 AUD