CaratHunter
Plans
Oval|Lab Grown|IGI

1.57ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG739537722

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG739537722

Diamond specifications and retailer prices

From €273 EUR
$305 USD
As of October 29, 2026
Save €1,276 EUR (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,549 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 LG739537722 or 739537722. Listed at 16 retailers as of October 29, 2026, with prices from €273 to €1,549, a €1,276 spread on the same certified stone. Brilliant Earth lists it at €1,549. 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 angle33.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739537722
Dimensions9.30 × 6.62 × 4.07 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.30 mm6.62 mm1.57 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739537722
Side View
Table 62.0%Crown 33.3°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.5%

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: €1,549 EUR|Low: €262 EUR|High: €1,549 EUR|Avg: €665 EUR
Brilliant Earth
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
October 31, 2026
Retailer 13€273 EUR
Retailer 6€306 EUR
Retailer 11€317 EUR
Retailer 10€339 EUR
Retailer 12€339 EUR
Retailer 8€378 EUR
Retailer 4€506 EUR
Retailer 5€552 EUR
Retailer 2€603 EUR
Retailer 7€640 EUR
Retailer 14€868 EUR
Retailer 3€1,041 EUR
Retailer 15€1,089 EUR
Retailer 9€1,365 EUR
Brilliant Earth€1,549 EUR

40 data points across 15 retailers

16 retailers€273 EUR to €1,549 EUR

A
Cheapest Retailer
-
€273 EUR
$305 USD
A
Retailer 2
-
€306 EUR
$342 USD
View
Final sale: no returns
A
Retailer 3
-
€317 EUR
$354 USD
View
A
Retailer 4
-
€339 EUR
$379 USD
View
A
Retailer 5
-
€339 EUR
$379 USD
View
A
Retailer 6
-
€378 EUR
£333 GBP
View
B+
Retailer 7
-
€503 EUR
$562 USD
View
B+
Retailer 8
-
€506 EUR
$565 USD
View
B+
Retailer 9
-
€552 EUR
$617 USD
View
B+
Retailer 10
-
€603 EUR
£530 GBP
View
B+
Retailer 11
-
€640 EUR
$715 USD
View
Retailer 12
-
€868 EUR
$970 USD
View
Price last confirmed 13 days ago
B
Retailer 13
-
€1,041 EUR
$1,163 USD
View
B
Retailer 14
-
€1,089 EUR
$1,217 USD
View
B
Retailer 15
-
€1,365 EUR
£1,201 GBP
View
Most Expensive
B
Brilliant Earth
16756886A · Oct 31
€1,549 EUR
$1,730 USD
View
15 more retailers have this diamond
Prices start from €273 EURSave up to €1,276 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
€273 EUR