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Oval|Lab Grown|IGI

1.57ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG839603313

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG839603313

Diamond specifications and retailer prices

From €208 EUR
$232 USD
As of October 29, 2026
Save €866 EUR (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €1,074 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG839603313 or 839603313. Listed at 10 retailers as of October 29, 2026, with prices from €208 to €1,074, a €866 spread on the same certified stone. Brilliant Earth lists it at €1,074. 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.9°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839603313
Dimensions9.68 × 6.64 × 4.04 mm
L/W Ratio1.46
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.68 mm6.64 mm1.57 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839603313
Side View
Table 58.0%Crown 31.9°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 60.8%

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: €1,074 EUR|Low: €200 EUR|High: €1,101 EUR|Avg: €616 EUR|-2.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 5€208 EUR
Retailer 9€241 EUR
Retailer 4€286 EUR
Retailer 7€435 EUR
Retailer 10€491 EUR
Retailer 6€822 EUR
Retailer 8€827 EUR
Retailer 3€832 EUR
Retailer 2€1,037 EUR
Brilliant Earth€1,074 EUR

16 data points across 10 retailers

10 retailers€208 EUR to €1,074 EUR

A
Cheapest Retailer
-
€208 EUR
$232 USD
A
Retailer 2
-
€241 EUR
$269 USD
View
A
Retailer 3
-
€286 EUR
HK$2,500 HKD
View
B+
Retailer 4
-
€435 EUR
$486 USD
View
B+
Retailer 5
-
€491 EUR
$549 USD
View
B
Retailer 6
-
€822 EUR
SGD 1,241 SGD
View
B
Retailer 7
-
€827 EUR
$924 USD
View
Retailer 8
-
€832 EUR
$930 USD
View
Price last confirmed 13 days ago
B
Retailer 9
-
€1,037 EUR
£912 GBP
View
Most Expensive
B
Brilliant Earth
21471937A · Oct 31
€1,074 EUR
$1,200 USD
View
9 more retailers have this diamond
Prices start from €208 EURSave up to €866 EUR

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
€208 EUR