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Oval|Lab Grown|IGI

1.55ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG445038941

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445038941

Diamond specifications and retailer prices

From $1,224 AUD
$860 USD
As of October 31, 2026
Save $5,914 AUD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $7,138 AUD at MOH London · As of October 29, 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 LG445038941 or 445038941. Listed at 12 retailers as of October 29, 2026, with prices from $1,224 to $7,138, a $5,914 spread on the same certified stone. MOH London lists it at $7,138. 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
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445038941
Dimensions9.47 × 6.48 × 3.99 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.47 mm6.48 mm1.55 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG445038941
Side View
Table 59.5%Crown 35.5°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 61.6%

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: $7,138 AUD|Low: $1,224 AUD|High: $7,194 AUD|Avg: $3,232 AUD|-0.5%
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
November 1, 2026
Retailer 7$1,224 AUD
Retailer 8$1,905 AUD
Retailer 12$2,073 AUD
Retailer 13$2,133 AUD
Retailer 9$2,209 AUD
Retailer 14$2,209 AUD
Retailer 3$2,456 AUD
Retailer 5$3,037 AUD
Retailer 2$3,155 AUD
Retailer 10$3,492 AUD
Retailer 4$4,118 AUD
Retailer 11$4,141 AUD
Retailer 6$6,326 AUD
MOH London$7,138 AUD

38 data points across 14 retailers

12 retailers$1,224 AUD to $7,138 AUD

A
Cheapest Retailer
-
$1,224 AUD
$860 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
-
$3,155 AUD
£1,745 GBP
View
B
Retailer 9
-
$3,492 AUD
$2,453 USD
View
B
Retailer 10
-
$4,118 AUD
$2,893 USD
View
B
Retailer 11
-
$4,141 AUD
$2,909 USD
View
Most Expensive
B
MOH London
LG445038941 · Oct 29
$7,138 AUD
£3,948 GBP
View
11 more retailers have this diamond
Prices start from $1,224 AUDSave up to $5,914 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
$1,224 AUD