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Oval|Lab Grown|IGI

1.57ct G SI2 Oval Lab Grown Diamond

ID • G/SI2 • IGI LG436074849

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG436074849

Diamond specifications and retailer prices

From $1,339 AUD
As of November 6, 2026
Save $2,949 AUD (69%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,288 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

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 G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436074849 or 436074849. Listed at 11 retailers as of November 5, 2026, with prices from $1,339 to $4,288, a $2,949 spread on the same certified stone. NZ Jewellers lists it at $4,288. 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
G
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436074849
Dimensions8.94 × 6.65 × 4.14 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.94 mm6.65 mm1.57 ctG / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436074849
Side View
Table 57.0%Crown 35.3°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $4,288 AUD|Low: $1,339 AUD|High: $7,449 AUD|Avg: $3,247 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 4$1,339 AUD
Retailer 5$1,972 AUD
Retailer 8$2,145 AUD
Retailer 9$2,206 AUD
Retailer 6$2,288 AUD
Retailer 2$3,195 AUD
Retailer 7$3,615 AUD
NZ Jewellers$4,288 AUD
Retailer 3$7,329 AUD

44 data points across 9 retailers

11 retailers$1,339 AUD to $4,288 AUD

B+
Cheapest Retailer
-
$1,339 AUD
B
Retailer 2
-
$1,972 AUD
View
B
Retailer 3
-
$2,145 AUD
View
B
Retailer 4
-
$2,206 AUD
View
Final sale: no returns
Retailer 5
-
$2,288 AUD
View
Price last confirmed 25 days ago
B
Retailer 6
-
$2,288 AUD
View
B
Retailer 7
-
$3,195 AUD
View
B
Retailer 8
-
$3,615 AUD
View
B
Retailer 9
-
$4,264 AUD
View
Most Expensive
B
NZ Jewellers
61caac7b-df1e-4282-99de-105459cd2bd5 · Nov 5
$4,288 AUD
$2,946 USD
View
9 more retailers have this diamond
Prices start from $1,339 AUDSave up to $2,949 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.

B+
1.57ct Oval
$1,339 AUD