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Oval|Lab Grown|IGI

2.66ct G SI1 Oval Lab Grown Diamond

ID • G/SI1 • IGI LG605339148

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG605339148

Diamond specifications and retailer prices

From €279 EUR
$313 USD
As of October 29, 2026
Save €1,442 EUR (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €1,721 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 2.66ct lab-grown oval diamond

This 2.66ct lab-grown oval sits in the two to three carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG605339148 or 605339148. Listed at 17 retailers as of October 29, 2026, with prices from €279 to €1,721, a €1,442 spread on the same certified stone. Brilliant Earth lists it at €1,721. 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

2.66
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605339148
Dimensions11.61 × 7.83 × 4.73 mm
L/W Ratio1.48
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
11.61 mm7.83 mm2.66 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605339148
Side View
Table 59.0%Crown 33.7°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: €1,721 EUR|Low: €279 EUR|High: €3,085 EUR|Avg: €901 EUR|-44.2%
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
November 1, 2026
Retailer 15€279 EUR
Retailer 14€315 EUR
Retailer 12€324 EUR
Retailer 16€346 EUR
Retailer 9€437 EUR
Retailer 4€465 EUR
Retailer 5€486 EUR
Retailer 10€612 EUR
Retailer 3€617 EUR
Retailer 7€664 EUR
Retailer 6€800 EUR
Retailer 13€859 EUR
Retailer 11€1,113 EUR
Retailer 2€1,387 EUR
Retailer 8€1,489 EUR
Brilliant Earth€1,721 EUR

35 data points across 16 retailers

17 retailers€279 EUR to €1,721 EUR

A
Cheapest Retailer
-
€279 EUR
$313 USD
A
Retailer 2
-
€315 EUR
$353 USD
View
Final sale: no returns
A
Retailer 3
-
€324 EUR
$363 USD
View
A
Retailer 4
-
€346 EUR
$388 USD
View
Retailer 5
-
€378 EUR
$424 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
€437 EUR
£386 GBP
View
B+
Retailer 7
-
€465 EUR
$522 USD
View
A
Retailer 8
-
€486 EUR
$545 USD
View
A
Retailer 9
-
€612 EUR
£540 GBP
View
A
Retailer 10
-
€617 EUR
$692 USD
View
A
Retailer 11
-
€664 EUR
View
B+
Retailer 12
-
€800 EUR
$897 USD
View
B+
Retailer 13
-
€859 EUR
$963 USD
View
B+
Retailer 14
-
€1,113 EUR
$1,248 USD
View
B
Retailer 15
-
€1,387 EUR
£1,225 GBP
View
Retailer 16
-
€1,489 EUR
$1,670 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
12161668A · Oct 31
€1,721 EUR
$1,930 USD
View
16 more retailers have this diamond
Prices start from €279 EURSave up to €1,442 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
2.66ct Oval
€279 EUR