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Oval|Lab Grown|IGI

1.50ct K SI1 Oval Lab Grown Diamond

ID • K/SI1 • IGI LG447000437

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG447000437

Diamond specifications and retailer prices

From $1,326 AUD
As of November 5, 2026
Save $3,890 AUD (75%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $5,216 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 1.5ct lab-grown oval diamond

This 1.5ct lab-grown oval sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG447000437 or 447000437. Listed at 9 retailers as of November 1, 2026, with prices from $1,326 to $5,216, a $3,890 spread on the same certified stone. MOH London lists it at $5,216. 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

1.50
Carat
K
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447000437
Dimensions8.86 × 6.37 × 4.09 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizePointed
Cert comments
Faint Brown
Top View
8.86 mm6.37 mm1.50 ctK / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447000437
Side View
Table 60.5%Crown 36.9°Girdle: STK-THKPavilion 41.5°Culet: NoneDepth 64.2%

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 5
Current: $5,216 AUD|Low: $1,273 AUD|High: $5,286 AUD|Avg: $2,759 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 4$1,326 AUD
Retailer 8$1,442 AUD
Retailer 5$1,538 AUD
Retailer 2$1,790 AUD
Retailer 9$2,276 AUD
Retailer 6$2,467 AUD
Retailer 3$3,422 AUD
Retailer 7$4,324 AUD
MOH London$5,216 AUD

17 data points across 9 retailers

9 retailers$1,326 AUD to $5,216 AUD

A
Cheapest Retailer
-
$1,326 AUD
A
Retailer 2
-
$1,442 AUD
View
Retailer 3
-
$1,538 AUD
View
Price last confirmed 25 days ago
A
Retailer 4
-
$1,538 AUD
View
B+
Retailer 5
-
$1,790 AUD
View
B+
Retailer 6
-
$2,467 AUD
View
B
Retailer 7
-
$3,422 AUD
View
B
Retailer 8
-
$4,324 AUD
View
Most Expensive
B
MOH London
LG447000437 · Nov 1
$5,216 AUD
£2,822 GBP
View
8 more retailers have this diamond
Prices start from $1,326 AUDSave up to $3,890 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
1.50ct Oval
$1,326 AUD