CaratHunter
Plans
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 $431 NZD
$242 USD
As of October 29, 2026
Save $3,718 NZD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,149 NZD 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 $431 to $4,149, a $3,718 spread on the same certified stone. Do Amore Diamonds lists it at $4,149. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $4,149 NZD|Low: $449 NZD|High: $4,149 NZD|Avg: $1,487 NZD|+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$481 NZD
Retailer 9$500 NZD
Retailer 3$536 NZD
Retailer 12$687 NZD
Retailer 4$798 NZD
Retailer 6$993 NZD
Retailer 7$1,170 NZD
Retailer 2$1,468 NZD
Retailer 10$1,707 NZD
Retailer 13$2,016 NZD
Retailer 5$2,197 NZD
Retailer 11$2,381 NZD
Do Amore Diamonds$4,149 NZD

43 data points across 13 retailers

16 retailers$431 NZD to $4,149 NZD

A
Cheapest Retailer
-
$431 NZD
$242 USD
A
Retailer 2
-
$481 NZD
$270 USD
View
Final sale: no returns
A
Retailer 3
-
$500 NZD
$281 USD
View
A
Retailer 4
-
$536 NZD
$301 USD
View
A
Retailer 5
-
$536 NZD
$301 USD
View
A
Retailer 6
-
$687 NZD
$386 USD
View
B+
Retailer 7
-
$798 NZD
$448 USD
View
B+
Retailer 8
-
$993 NZD
£439 GBP
View
B+
Retailer 9
-
$1,052 NZD
$591 USD
View
B+
Retailer 10
-
$1,468 NZD
£649 GBP
View
B
Retailer 11
-
$1,707 NZD
CA$1,331 CAD
View
B
Retailer 12
-
$1,900 NZD
$1,067 USD
View
B
Retailer 13
-
$2,016 NZD
$1,132 USD
View
B
Retailer 14
-
$2,197 NZD
$1,234 USD
View
Retailer 15
-
$2,381 NZD
£1,053 GBP
View
Price last confirmed 11 days ago
Most Expensive
B
Do Amore Diamonds
27-BF1F8DA4E · Oct 29
$4,149 NZD
$2,330 USD
View
15 more retailers have this diamond
Prices start from $431 NZDSave up to $3,718 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.

A
1.57ct Oval
$431 NZD