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Oval|Lab Grown|IGI

1.61ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG508155086

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG508155086

Diamond specifications and retailer prices

From €211 EUR
$236 USD
As of October 30, 2026
Save €997 EUR (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €1,208 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.61ct lab-grown oval diamond

This 1.61ct 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 IGI LG508155086 or 508155086. Listed at 9 retailers as of October 30, 2026, with prices from €211 to €1,208, a €997 spread on the same certified stone. Brilliant Earth lists it at €1,208. 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

1.61
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508155086
Dimensions9.55 × 6.84 × 3.94 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.55 mm6.84 mm1.61 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG508155086
Side View
Table 61.0%Crown 34.5°Girdle: MED-STKPavilion 38.7°Culet: NoneDepth 57.6%

Caratlytics Score

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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 30
Current: €1,208 EUR|Low: €211 EUR|High: €1,208 EUR|Avg: €506 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 6€211 EUR
Retailer 9€264 EUR
Retailer 5€315 EUR
Retailer 4€431 EUR
Retailer 8€456 EUR
Retailer 7€465 EUR
Retailer 3€521 EUR
Retailer 11€625 EUR
Retailer 10€798 EUR
Retailer 2€936 EUR
Brilliant Earth€1,208 EUR

38 data points across 11 retailers

9 retailers€211 EUR to €1,208 EUR

A
Cheapest Retailer
-
€211 EUR
$236 USD
Final sale: no returns
A
Retailer 2
-
€264 EUR
HK$2,300 HKD
View
B+
Retailer 3
-
€315 EUR
$352 USD
View
A
Retailer 4
-
€431 EUR
£379 GBP
View
A
Retailer 5
-
€456 EUR
$509 USD
View
A
Retailer 6
-
€465 EUR
$520 USD
View
B+
Retailer 7
-
€798 EUR
$891 USD
View
B
Retailer 8
-
€936 EUR
£823 GBP
View
Most Expensive
B
Brilliant Earth
22273559A · Oct 31
€1,208 EUR
$1,350 USD
View
8 more retailers have this diamond
Prices start from €211 EURSave up to €997 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
1.61ct Oval
€211 EUR