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Oval|Lab Grown|IGI

1.57ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG436074582

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG436074582

Diamond specifications and retailer prices

From $1,224 AUD
$860 USD
As of October 31, 2026
Save $6,004 AUD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $7,228 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 1.57ct lab-grown oval diamond

This 1.57ct 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 LG436074582 or 436074582. Listed at 12 retailers as of October 29, 2026, with prices from $1,224 to $7,228, a $6,004 spread on the same certified stone. MOH London lists it at $7,228. 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

1.57
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle32.1°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436074582
Dimensions9.09 × 6.73 × 4.13 mm
L/W Ratio1.35
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.09 mm6.73 mm1.57 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436074582
Side View
Table 58.5%Crown 32.1°Girdle: MED-THKPavilion 41.6°Culet: NoneDepth 61.4%

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: $7,228 AUD|Low: $1,224 AUD|High: $7,286 AUD|Avg: $3,294 AUD|+0.6%
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 8$1,224 AUD
Retailer 7$1,929 AUD
Retailer 12$2,098 AUD
Retailer 13$2,158 AUD
Retailer 9$2,238 AUD
Retailer 14$2,238 AUD
Retailer 3$2,484 AUD
Retailer 5$3,071 AUD
Retailer 2$3,195 AUD
Retailer 10$3,536 AUD
Retailer 4$4,171 AUD
Retailer 11$4,194 AUD
Retailer 6$6,407 AUD
MOH London$7,228 AUD

38 data points across 14 retailers

12 retailers$1,224 AUD to $7,228 AUD

A
Cheapest Retailer
-
$1,224 AUD
$860 USD
B+
Retailer 2
-
$1,929 AUD
$1,355 USD
View
B+
Retailer 3
-
$2,098 AUD
$1,474 USD
View
B+
Retailer 4
-
$2,158 AUD
$1,516 USD
View
Final sale: no returns
Retailer 5
-
$2,238 AUD
$1,572 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
$2,238 AUD
$1,572 USD
View
B+
Retailer 7
-
$2,484 AUD
$1,745 USD
View
B
Retailer 8
-
$3,195 AUD
£1,767 GBP
View
B
Retailer 9
-
$3,536 AUD
$2,484 USD
View
B
Retailer 10
-
$4,171 AUD
$2,930 USD
View
B
Retailer 11
-
$4,194 AUD
$2,946 USD
View
Most Expensive
B
MOH London
LG436074582 · Oct 29
$7,228 AUD
£3,998 GBP
View
11 more retailers have this diamond
Prices start from $1,224 AUDSave up to $6,004 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
1.57ct Oval
$1,224 AUD