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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 $309 SGD
$242 USD
As of October 29, 2026
Save $2,669 SGD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,979 SGD 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 $309 to $2,979, a $2,669 spread on the same certified stone. Do Amore Diamonds lists it at $2,979. 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

How it works →
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: $2,979 SGD|Low: $276 SGD|High: $2,979 SGD|Avg: $950 SGD|+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
Retailer 14
Retailer 15
Retailer 16
October 30, 2026
Retailer 15$309 SGD
Retailer 11$345 SGD
Retailer 12$359 SGD
Retailer 5$385 SGD
Retailer 6$385 SGD
Retailer 16$493 SGD
Retailer 7$573 SGD
Retailer 9$713 SGD
Retailer 10$840 SGD
Retailer 2$1,054 SGD
Retailer 13$1,225 SGD
Retailer 3$1,364 SGD
Retailer 4$1,447 SGD
Retailer 8$1,578 SGD
Retailer 14$1,710 SGD
Do Amore Diamonds$2,979 SGD

42 data points across 16 retailers

16 retailers$309 SGD to $2,979 SGD

A
Cheapest Retailer
-
$309 SGD
$242 USD
A
Retailer 2
-
$345 SGD
$270 USD
View
Final sale: no returns
A
Retailer 3
-
$359 SGD
$281 USD
View
A
Retailer 4
-
$385 SGD
$301 USD
View
A
Retailer 5
-
$385 SGD
$301 USD
View
A
Retailer 6
-
$493 SGD
$386 USD
View
B+
Retailer 7
-
$573 SGD
$448 USD
View
B+
Retailer 8
-
$713 SGD
£439 GBP
View
B+
Retailer 9
-
$756 SGD
$591 USD
View
B+
Retailer 10
-
$1,054 SGD
£649 GBP
View
B
Retailer 11
-
$1,225 SGD
CA$1,331 CAD
View
B
Retailer 12
-
$1,364 SGD
$1,067 USD
View
B
Retailer 13
-
$1,447 SGD
$1,132 USD
View
B
Retailer 14
-
$1,578 SGD
$1,234 USD
View
Retailer 15
-
$1,710 SGD
£1,053 GBP
View
Price last confirmed 11 days ago
Most Expensive
B
Do Amore Diamonds
27-BF1F8DA4E · Oct 29
$2,979 SGD
$2,330 USD
View
15 more retailers have this diamond
Prices start from $309 SGDSave up to $2,669 SGD

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
$309 SGD