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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 HK$1,899 HKD
$242 USD
As of October 29, 2026
Save HK$16,382 HKD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$18,280 HKD 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 HK$1,899 to HK$18,280, a HK$16,382 spread on the same certified stone. Do Amore Diamonds lists it at HK$18,280. 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: HK$18,280 HKD|Low: HK$1,695 HKD|High: HK$18,280 HKD|Avg: HK$5,828 HKD|+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 15HK$1,899 HKD
Retailer 11HK$2,118 HKD
Retailer 12HK$2,205 HKD
Retailer 5HK$2,362 HKD
Retailer 6HK$2,362 HKD
Retailer 16HK$3,028 HKD
Retailer 7HK$3,515 HKD
Retailer 9HK$4,377 HKD
Retailer 10HK$5,155 HKD
Retailer 2HK$6,467 HKD
Retailer 13HK$7,521 HKD
Retailer 3HK$8,371 HKD
Retailer 4HK$8,881 HKD
Retailer 8HK$9,682 HKD
Retailer 14HK$10,492 HKD
Do Amore DiamondsHK$18,280 HKD

42 data points across 16 retailers

16 retailersHK$1,899 HKD to HK$18,280 HKD

A
Cheapest Retailer
-
HK$1,899 HKD
$242 USD
A
Retailer 2
-
HK$2,118 HKD
$270 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,205 HKD
$281 USD
View
A
Retailer 4
-
HK$2,362 HKD
$301 USD
View
A
Retailer 5
-
HK$2,362 HKD
$301 USD
View
A
Retailer 6
-
HK$3,028 HKD
$386 USD
View
B+
Retailer 7
-
HK$3,515 HKD
$448 USD
View
B+
Retailer 8
-
HK$4,377 HKD
£439 GBP
View
B+
Retailer 9
-
HK$4,637 HKD
$591 USD
View
B+
Retailer 10
-
HK$6,467 HKD
£649 GBP
View
B
Retailer 11
-
HK$7,521 HKD
CA$1,331 CAD
View
B
Retailer 12
-
HK$8,371 HKD
$1,067 USD
View
B
Retailer 13
-
HK$8,881 HKD
$1,132 USD
View
B
Retailer 14
-
HK$9,682 HKD
$1,234 USD
View
Retailer 15
-
HK$10,492 HKD
£1,053 GBP
View
Price last confirmed 12 days ago
Most Expensive
B
Do Amore Diamonds
27-BF1F8DA4E · Oct 29
HK$18,280 HKD
$2,330 USD
View
15 more retailers have this diamond
Prices start from HK$1,899 HKDSave up to HK$16,382 HKD

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
HK$1,899 HKD