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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 £181 GBP
$242 USD
As of October 29, 2026
Save £1,558 GBP (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,739 GBP 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 £181 to £1,739, a £1,558 spread on the same certified stone. Do Amore Diamonds lists it at £1,739. 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: £1,739 GBP|Low: £188 GBP|High: £1,739 GBP|Avg: £623 GBP|+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£202 GBP
Retailer 9£210 GBP
Retailer 3£225 GBP
Retailer 12£288 GBP
Retailer 4£334 GBP
Retailer 6£416 GBP
Retailer 7£490 GBP
Retailer 2£615 GBP
Retailer 10£715 GBP
Retailer 13£845 GBP
Retailer 5£921 GBP
Retailer 11£998 GBP
Do Amore Diamonds£1,739 GBP

43 data points across 13 retailers

16 retailers£181 GBP to £1,739 GBP

A
Cheapest Retailer
-
£181 GBP
$242 USD
A
Retailer 2
-
£202 GBP
$270 USD
View
Final sale: no returns
A
Retailer 3
-
£210 GBP
$281 USD
View
A
Retailer 4
-
£225 GBP
$301 USD
View
A
Retailer 5
-
£225 GBP
$301 USD
View
A
Retailer 6
-
£288 GBP
$386 USD
View
B+
Retailer 7
-
£334 GBP
$448 USD
View
B+
Retailer 8
-
£416 GBP
View
B+
Retailer 9
-
£441 GBP
$591 USD
View
B+
Retailer 10
-
£615 GBP
View
B
Retailer 11
-
£715 GBP
CA$1,331 CAD
View
B
Retailer 12
-
£796 GBP
$1,067 USD
View
B
Retailer 13
-
£845 GBP
$1,132 USD
View
B
Retailer 14
-
£921 GBP
$1,234 USD
View
Retailer 15
-
£998 GBP
View
Price last confirmed 11 days ago
Most Expensive
B
Do Amore Diamonds
27-BF1F8DA4E · Oct 29
£1,739 GBP
$2,330 USD
View
15 more retailers have this diamond
Prices start from £181 GBPSave up to £1,558 GBP

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
£181 GBP