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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 $1,660 NZD
As of November 6, 2026
Save $3,655 NZD (69%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,314 NZD 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 $1,660 to $5,314, a $3,655 spread on the same certified stone. NZ Jewellers lists it at $5,314. 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: $5,314 NZD|Low: $1,660 NZD|High: $9,232 NZD|Avg: $4,024 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 4$1,660 NZD
Retailer 5$2,444 NZD
Retailer 8$2,659 NZD
Retailer 9$2,735 NZD
Retailer 6$2,836 NZD
Retailer 2$3,960 NZD
Retailer 7$4,481 NZD
NZ Jewellers$5,314 NZD
Retailer 3$9,084 NZD

44 data points across 9 retailers

11 retailers$1,660 NZD to $5,314 NZD

B+
Cheapest Retailer
-
$1,660 NZD
B
Retailer 2
-
$2,444 NZD
View
B
Retailer 3
-
$2,659 NZD
View
B
Retailer 4
-
$2,735 NZD
View
Final sale: no returns
Retailer 5
-
$2,836 NZD
View
Price last confirmed 25 days ago
B
Retailer 6
-
$2,836 NZD
View
B
Retailer 7
-
$3,960 NZD
View
B
Retailer 8
-
$4,481 NZD
View
B
Retailer 9
-
$5,285 NZD
View
Most Expensive
B
NZ Jewellers
61caac7b-df1e-4282-99de-105459cd2bd5 · Nov 5
$5,314 NZD
$2,946 USD
View
9 more retailers have this diamond
Prices start from $1,660 NZDSave up to $3,655 NZD

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
$1,660 NZD