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Oval|Lab Grown|GCAL

1.57ct E SI1 Oval Lab Grown Diamond

EX • E/SI1 • GCAL 330270007

Shape and cutting style on the report: Oval brilliant

Certificate GCAL 330270007

Diamond specifications and retailer prices

From $345 AUD
$242 USD
As of October 29, 2026
Save $2,972 AUD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,317 AUD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GCAL 330270007. Listed at 16 retailers as of October 29, 2026, with prices from $345 to $3,317, a $2,972 spread on the same certified stone. Do Amore Diamonds lists it at $3,317. 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
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 330270007
Dimensions9.40 × 6.67 × 3.99 mm
L/W Ratio1.41
Culet sizeNone
Top View
9.40 mm6.67 mm1.57 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGCAL 330270007
Side View
Table 62.0%Crown 33.5°Girdle: MED-THKPavilion 40.4°Culet: NoneDepth 59.9%

Caratlytics Score

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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: Oct 29
Current: $3,317 AUD|Low: $359 AUD|High: $3,317 AUD|Avg: $1,189 AUD|+7.9%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 8$384 AUD
Retailer 9$400 AUD
Retailer 3$429 AUD
Retailer 12$550 AUD
Retailer 4$638 AUD
Retailer 6$794 AUD
Retailer 7$935 AUD
Retailer 2$1,173 AUD
Retailer 10$1,365 AUD
Retailer 13$1,612 AUD
Retailer 5$1,757 AUD
Retailer 11$1,904 AUD
Do Amore Diamonds$3,317 AUD

43 data points across 13 retailers

16 retailers$345 AUD to $3,317 AUD

A
Cheapest Retailer
-
$345 AUD
$242 USD
A
Retailer 2
-
$384 AUD
$270 USD
View
Final sale: no returns
A
Retailer 3
-
$400 AUD
$281 USD
View
A
Retailer 4
-
$429 AUD
$301 USD
View
A
Retailer 5
-
$429 AUD
$301 USD
View
A
Retailer 6
-
$550 AUD
$386 USD
View
B+
Retailer 7
-
$638 AUD
$448 USD
View
B+
Retailer 8
-
$794 AUD
£439 GBP
View
B+
Retailer 9
-
$841 AUD
$591 USD
View
B+
Retailer 10
-
$1,173 AUD
£649 GBP
View
B
Retailer 11
-
$1,365 AUD
CA$1,331 CAD
View
B
Retailer 12
-
$1,519 AUD
$1,067 USD
View
B
Retailer 13
-
$1,612 AUD
$1,132 USD
View
B
Retailer 14
-
$1,757 AUD
$1,234 USD
View
Retailer 15
-
$1,904 AUD
£1,053 GBP
View
Price last confirmed 11 days ago
Most Expensive
B
Do Amore Diamonds
27-BF1F8DA4E · Oct 29
$3,317 AUD
$2,330 USD
View
15 more retailers have this diamond
Prices start from $345 AUDSave up to $2,972 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
$345 AUD