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Oval|Lab Grown|IGI

3.57ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG681548099

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG681548099

Diamond specifications and retailer prices

From €401 EUR
$448 USD
As of October 29, 2026
Save €2,920 EUR (88%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €3,321 EUR at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.57ct lab-grown oval diamond

This 3.57ct lab-grown oval sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG681548099 or 681548099. Listed at 15 retailers as of October 29, 2026, with prices from €401 to €3,321, a €2,920 spread on the same certified stone. Brilliant Earth lists it at €3,321. 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

3.57
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG681548099
Dimensions12.17 × 8.70 × 5.42 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
12.17 mm8.70 mm3.57 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG681548099
Side View
Table 60.0%Crown 34.9°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: €3,321 EUR|Low: €385 EUR|High: €3,724 EUR|Avg: €1,212 EUR|-10.8%
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
Retailer 16
October 30, 2026
Retailer 4€401 EUR
Retailer 10€449 EUR
Retailer 14€498 EUR
Retailer 15€498 EUR
Retailer 5€686 EUR
Retailer 16€752 EUR
Retailer 6€781 EUR
Retailer 2€823 EUR
Retailer 13€826 EUR
Retailer 7€851 EUR
Retailer 11€1,337 EUR
Retailer 8€1,589 EUR
Retailer 3€1,600 EUR
Retailer 9€1,838 EUR
Retailer 12€2,694 EUR
Brilliant Earth€3,321 EUR

39 data points across 16 retailers

15 retailers€401 EUR to €3,321 EUR

A
Cheapest Retailer
-
€401 EUR
$448 USD
A
Retailer 2
-
€449 EUR
$502 USD
View
A
Retailer 3
-
€498 EUR
$556 USD
View
Retailer 4
-
€498 EUR
$556 USD
View
Price last confirmed 14 days ago
Retailer 5
-
€686 EUR
£604 GBP
View
Price last confirmed 18 days ago
A
Retailer 6
-
€752 EUR
$840 USD
View
B+
Retailer 7
-
€781 EUR
$873 USD
View
A
Retailer 8
-
€823 EUR
£724 GBP
View
A
Retailer 9
-
€851 EUR
$951 USD
View
B+
Retailer 10
-
€1,337 EUR
$1,494 USD
View
B+
Retailer 11
-
€1,589 EUR
$1,775 USD
View
B+
Retailer 12
-
€1,600 EUR
$1,787 USD
View
B+
Retailer 13
-
€1,838 EUR
£1,617 GBP
View
B
Retailer 14
-
€2,694 EUR
$3,010 USD
View
Most Expensive
B
Brilliant Earth
13120725A · Oct 29
€3,321 EUR
$3,710 USD
View
14 more retailers have this diamond
Prices start from €401 EURSave up to €2,920 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
3.57ct Oval
€401 EUR