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 $920 USD
As of October 31, 2026
Save $2,026 USD (69%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,946 USD at NZ Jewellers · As of October 31, 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 October 31, 2026, with prices from $920 to $2,946, a $2,026 spread on the same certified stone. NZ Jewellers lists it at $2,946. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $2,946 USD|Low: $920 USD|High: $5,118 USD|Avg: $2,224 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 3$920 USD
Retailer 5$1,355 USD
Retailer 8$1,474 USD
Retailer 9$1,516 USD
Retailer 6$1,572 USD
Retailer 2$2,217 USD
Retailer 7$2,484 USD
NZ Jewellers$2,946 USD
Retailer 4$5,077 USD

43 data points across 9 retailers

11 retailers$920 USD to $2,946 USD

B+
Cheapest Retailer
-
$920 USD
B
Retailer 2
-
$1,355 USD
View
B
Retailer 3
-
$1,474 USD
View
B
Retailer 4
-
$1,516 USD
View
Final sale: no returns
Retailer 5
-
$1,572 USD
View
Price last confirmed 19 days ago
B
Retailer 6
-
$1,572 USD
View
B
Retailer 7
-
$2,217 USD
£1,746 GBP
View
B
Retailer 8
-
$2,484 USD
View
B
Retailer 9
-
$2,930 USD
View
Most Expensive
B
NZ Jewellers
61caac7b-df1e-4282-99de-105459cd2bd5 · Oct 31
$2,946 USD
View
9 more retailers have this diamond
Prices start from $920 USDSave up to $2,026 USD

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
$920 USD